chore: release v0.8.0-rc.4 (#874)

## 🤖 New release

* `roadster`: 0.8.0-rc.3 -> 0.8.0-rc.4 (⚠ API breaking changes)

### ⚠ `roadster` breaking changes

```text
--- failure feature_missing: package feature removed or renamed ---

Description:
A feature has been removed from this package's Cargo.toml. This will break downstream crates which enable that feature.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#cargo-feature-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.41.0/src/lints/feature_missing.ron

Failed in:
  feature default-common in the package's Cargo.toml
  feature default-diesel in the package's Cargo.toml

--- failure feature_not_enabled_by_default: package feature is not enabled by default ---

Description:
A feature is no longer enabled by default for this package. This will break downstream crates which rely on the package's default features and require the functionality of this feature.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#cargo-feature-remove-another
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.41.0/src/lints/feature_not_enabled_by_default.ron

Failed in:
  feature db-sea-orm in the package's Cargo.toml
  feature db-sql in the package's Cargo.toml
  feature worker-sidekiq in the package's Cargo.toml
  feature worker in the package's Cargo.toml

--- failure module_missing: pub module removed or renamed ---

Description:
A publicly-visible module cannot be imported by its prior path. A `pub use` may have been removed, or the module may have been renamed, removed, or made non-public.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.41.0/src/lints/module_missing.ron

Failed in:
  mod roadster::health::check::sidekiq_fetch, previously in file /tmp/.tmpano8uO/roadster/src/health/check/sidekiq_fetch.rs:1
  mod roadster::health::check::sidekiq_enqueue, previously in file /tmp/.tmpano8uO/roadster/src/health/check/sidekiq_enqueue.rs:1

--- failure struct_missing: pub struct removed or renamed ---

Description:
A publicly-visible struct cannot be imported by its prior path. A `pub use` may have been removed, or the struct itself may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.41.0/src/lints/struct_missing.ron

Failed in:
  struct roadster::health::check::sidekiq_fetch::SidekiqFetchHealthCheck, previously in file /tmp/.tmpano8uO/roadster/src/health/check/sidekiq_fetch.rs:8
  struct roadster::health::check::sidekiq_enqueue::SidekiqEnqueueHealthCheck, previously in file /tmp/.tmpano8uO/roadster/src/health/check/sidekiq_enqueue.rs:8

--- failure struct_pub_field_missing: pub struct's pub field removed or renamed ---

Description:
A publicly-visible struct has at least one public field that is no longer available under its prior name. It may have been renamed or removed entirely.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#item-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.41.0/src/lints/struct_pub_field_missing.ron

Failed in:
  field sidekiq of struct HealthCheck, previously in file /tmp/.tmpano8uO/roadster/src/config/health/check/mod.rs:33
```

<details><summary><i><b>Changelog</b></i></summary><p>

<blockquote>

##
[0.8.0-rc.4](roadster-v0.8.0-rc.3...roadster-v0.8.0-rc.4)
- 2025-07-24

### Added

- [**breaking**] Add health check for Postgres-backed worker
([#873](#873))

### Fixed

- *(docs)* Fix typo in config chapter
([#871](#871))
- *(docs)* Fix typos in book
([#870](#870))

### Other

- [**breaking**] Remove sidekiq and sea-orm from default features
([#872](#872))
- `derive_more` to impl Display and Deref/DerefMut for some types
([#867](#867))
</blockquote>


</p></details>

---
This PR was generated with
[release-plz](https://github.com/release-plz/release-plz/).

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

CHANGELOG.md

@@ -7,6 +7,22 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.8.0-rc.4](https://github.com/roadster-rs/roadster/compare/roadster-v0.8.0-rc.3...roadster-v0.8.0-rc.4) - 2025-07-24
+
+### Added
+
+- [**breaking**] Add health check for Postgres-backed worker ([#873](https://github.com/roadster-rs/roadster/pull/873))
+
+### Fixed
+
+- *(docs)* Fix typo in config chapter ([#871](https://github.com/roadster-rs/roadster/pull/871))
+- *(docs)* Fix typos in book ([#870](https://github.com/roadster-rs/roadster/pull/870))
+
+### Other
+
+- [**breaking**] Remove sidekiq and sea-orm from default features ([#872](https://github.com/roadster-rs/roadster/pull/872))
+- `derive_more` to impl Display and Deref/DerefMut for some types ([#867](https://github.com/roadster-rs/roadster/pull/867))
+
 ## [0.8.0-rc.3](https://github.com/roadster-rs/roadster/compare/roadster-v0.8.0-rc.2...roadster-v0.8.0-rc.3) - 2025-07-20
 
 ### Fixed

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "roadster"
-version = "0.8.0-rc.3"
+version = "0.8.0-rc.4"
 edition = "2024"
 publish = true
 description = "A \"Batteries Included\" web framework for rust designed to get you moving fast."

Cargo.toml

@@ -9,7 +9,7 @@ publish = false
 [features]
 
 [dependencies]
-roadster = { version = "0.8.0-rc.3", path = "../..", default-features = false, features = ["worker-pg", "worker-sidekiq"] }
+roadster = { version = "0.8.0-rc.4", path = "../..", default-features = false, features = ["worker-pg", "worker-sidekiq"] }
 tokio = { workspace = true }
 tokio-util = { workspace = true }
 tracing = { workspace = true }
@@ -22,7 +22,7 @@ itertools = { workspace = true }
 sqlx = { workspace = true }
 
 [dev-dependencies]
-roadster = { version = "0.8.0-rc.3", path = "../..", default-features = false, features = ["testing", "bench"] }
+roadster = { version = "0.8.0-rc.4", path = "../..", default-features = false, features = ["testing", "bench"] }
 criterion = { version = "0.6.0", features = ["html_reports"] }
 fake = { workspace = true }
 

benches/worker/Cargo.toml

@@ -12,7 +12,7 @@ cli = ["roadster/cli", "clap"]
 db-sea-orm = ["roadster/db-sea-orm", "app-builder-migration", "sea-orm"]
 
 [dependencies]
-roadster = { version = "0.8.0-rc.3", path = "../..", default-features = false, features = ["open-api", "worker-sidekiq", "otel-grpc"] }
+roadster = { version = "0.8.0-rc.4", path = "../..", default-features = false, features = ["open-api", "worker-sidekiq", "otel-grpc"] }
 tokio = { workspace = true }
 tokio-util = { workspace = true }
 anyhow = { workspace = true }
@@ -41,7 +41,7 @@ cron = { workspace = true }
 config = { workspace = true, features = ["async"] }
 
 [dev-dependencies]
-roadster = { version = "0.8.0-rc.3", path = "../..", default-features = false, features = ["testing"] }
+roadster = { version = "0.8.0-rc.4", path = "../..", default-features = false, features = ["testing"] }
 tower-util = { workspace = true }
 
 [build-dependencies]

examples/app-builder/Cargo.toml

@@ -7,7 +7,7 @@ publish = false
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-roadster = { version = "0.8.0-rc.3", path = "../..", features = ["db-diesel-postgres-pool-async"] }
+roadster = { version = "0.8.0-rc.4", path = "../..", features = ["db-diesel-postgres-pool-async"] }
 tokio = { workspace = true }
 tokio-util = { workspace = true }
 anyhow = { workspace = true }
@@ -42,7 +42,7 @@ chrono = { workspace = true, features = ["serde"] }
 fake = { workspace = true }
 
 [dev-dependencies]
-roadster = { version = "0.8.0-rc.3", path = "../..", default-features = false, features = ["testing"] }
+roadster = { version = "0.8.0-rc.4", path = "../..", default-features = false, features = ["testing"] }
 tokio = { workspace = true, features = ["test-util"] }
 tower-util = { workspace = true }
 

examples/diesel/Cargo.toml

@@ -11,7 +11,7 @@ default = ["grpc"]
 grpc = ["roadster/grpc", "dep:tonic", "dep:tonic-reflection", "dep:prost"]
 
 [dependencies]
-roadster = { version = "0.8.0-rc.3", path = "../..", features = ["worker-sidekiq", "db-sea-orm", "email-smtp", "email-sendgrid", "config-yml", "otel-grpc"] }
+roadster = { version = "0.8.0-rc.4", path = "../..", features = ["worker-sidekiq", "db-sea-orm", "email-smtp", "email-sendgrid", "config-yml", "otel-grpc"] }
 tokio = { workspace = true }
 tokio-util = { workspace = true }
 anyhow = { workspace = true }
@@ -46,7 +46,7 @@ uuid = { workspace = true, features = ["v7"] }
 chrono = { workspace = true, features = ["serde"] }
 
 [dev-dependencies]
-roadster = { version = "0.8.0-rc.3", path = "../..", features = ["testing-mocks"] }
+roadster = { version = "0.8.0-rc.4", path = "../..", features = ["testing-mocks"] }
 tokio = { workspace = true, features = ["test-util"] }
 tower-util = { workspace = true }
 

examples/full/Cargo.toml

@@ -25,7 +25,7 @@ ssr = [
 ]
 
 [dependencies]
-roadster = { version = "0.8.0-rc.3", path = "../..", optional = true, default-features = false, features = ["http", "cli"] }
+roadster = { version = "0.8.0-rc.4", path = "../..", optional = true, default-features = false, features = ["http", "cli"] }
 tokio = { workspace = true, optional = true }
 tokio-util = { workspace = true, optional = true }
 anyhow = { workspace = true }

examples/leptos-ssr/Cargo.toml

@@ -9,7 +9,7 @@ publish = false
 [features]
 
 [dependencies]
-roadster = { version = "0.8.0-rc.3", path = "../..", default-features = false, features = ["worker-pg", "open-api", "cli", "otel-grpc"] }
+roadster = { version = "0.8.0-rc.4", path = "../..", default-features = false, features = ["worker-pg", "open-api", "cli", "otel-grpc"] }
 tokio = { workspace = true }
 tokio-util = { workspace = true }
 anyhow = { workspace = true }
@@ -37,7 +37,7 @@ bon = { workspace = true }
 cron = { workspace = true }
 
 [dev-dependencies]
-roadster = { version = "0.8.0-rc.3", path = "../..", default-features = false, features = ["testing"] }
+roadster = { version = "0.8.0-rc.4", path = "../..", default-features = false, features = ["testing"] }
 tower-util = { workspace = true }
 
 [build-dependencies]