build(deps): bump diesel-derive-enum from 1.0.0 to 1.1.0

Bumps [diesel-derive-enum](https://github.com/adwhit/diesel-derive-enum) from 1.0.0 to 1.1.0.
- [Release notes](https://github.com/adwhit/diesel-derive-enum/releases)
- [Commits](https://github.com/adwhit/diesel-derive-enum/commits)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

Cargo.lock

@@ -11,7 +11,7 @@ diesel = { version = "1.4.3", features = ["postgres", "serde_json", "numeric", "
 # We use diesel-dynamic-schema straight from git as the project has not
 # made a release as a crate yet
 diesel-dynamic-schema = { git = "https://github.com/diesel-rs/diesel-dynamic-schema", rev="a8ec4fb1" }
-diesel-derive-enum = { version = "1.0", features = ["postgres"] }
+diesel-derive-enum = { version = "1.1", features = ["postgres"] }
 diesel_migrations = "1.3.0"
 failure = "0.1.7"
 fallible-iterator = "0.1.4"