Bump diesel from 2.2.4 to 2.3.1

[dependabot]

Bumps diesel from 2.2.4 to 2.3.1.

Changelog

Sourced from diesel's changelog.

Change Log

All user visible changes to this project will be documented in this file. This project adheres to Semantic Versioning, as described for Rust libraries in [RFC #1105](https://github.com/rust-lang/rfcs/blob/master/text/1105-api-evolution.md). We explicitly reserve the right to perform breaking changes in minor releases to fix build breaking changes from the Rust project. For any named minimal supported Rust version we guarantee that it is possible to build Diesel with the default features enabled using some set of dependencies. Those set of dependencies is not necessarily an up to date version of the specific dependency. We check this by using the unstable -Z minimal-version cargo flag. Increasing the minimal supported Rust version will always be coupled at least with a minor release.

Unreleased

[2.3.0] 2025-09-12

Added

• Added limit() and offset() DSL to combination clauses such as UNION
• Fixed #[derive(Identifiable)] ignoring attribute #[diesel(serialize_as)] on primary keys
• Added embedded struct support for AsChangeset via #[diesel(embed)]
• Added a #[diesel(skip_update)] attribute for the AsChangeset derive to skip updating a field present in the struct
• Support for libsqlite3-sys 0.35.0
• Add support for built-in PostgreSQL range operators and functions
• Support for postgres multirange type
• Added diesel::r2d2::TestCustomizer, which allows users to customize their diesel::r2d2::Pools in a way that makes the pools suitable for use in parallel tests.
• Added support for built-in PostgreSQL range operators and functions
• Added support for various built-in PostgreSQL array functions
• Added Json and Jsonb support for the SQLite backend.
• Added a #[diesel::declare_sql_function] attribute macro to easily define support for multiple sql functions at once via an extern "SQL" block
• Support [print_schema] allow_tables_to_appear_in_same_query_config = "fk_related_tables" to generate separate allow_tables_to_appear_in_same_query! calls containing only tables that are related through foreign keys. (Default: "all_tables".) It is not possible to build queries using two tables that don't appear in the same allow_tables_to_appear_in_same_query! call, but that macro generates O(n²) rust code, so this option may be useful to reduce compilation time. (#4333)
• Added wasm32-unknown-unknown target support for sqlite backend.
• Add support for the CAST operator
• Support [print_schema] allow_tables_to_appear_in_same_query_config = "none" to generate no allow_tables_to_appear_in_same_query! calls. (Default: "all_tables".). (#4333)
• Add [print_schema] pg_domains_as_custom_types parameter to generate custom types for PostgreSQL domains that matches any of the regexes in the given list. (Default: [].) This option allows an application to selectively give special meaning for the serialization/deserialization of these types, avoiding the default behavior of treating the domain as the underlying type. (#4592)
• Add support for batch insert and upsert statements with returning for SQLite
• Add support for window functions and aggregate expressions.

Fixed

• Fixed diesel thinking a.eq_any(b) was non-nullable even if a and b were nullable.
• Generate InstrumentationEvent::BeginTransaction for immediate and exclusive transactions in SQLite
• Use a single space instead of two spaces between DELETE FROM.
• Diesel CLI now ensures that migration versions are always unique. If it fails to generate a unique version, it will return an error. The new version format remains compatible with older Diesel versions.
• Updated ipnetwork to allow version 0.21.

Changed

... (truncated)

Commits

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[dependabot]

Superseded by #837.