Bump diesel from 1.4.8 to 2.1.5

[dependabot]

Bumps diesel from 1.4.8 to 2.1.5.

Release notes

Sourced from diesel's releases.

Diesel-derives 2.0.2

• Fixing the fallout of a breaking change from quote by not using their internal API

Changelog

Sourced from diesel's changelog.

[2.1.5] 2024-03-15

• Fix impl SqlOrd postgres > postgres_backend feature flag.
• Allow Queryable to be used with multiple table names.
• Fix an inconsistent unit test
• Fix a clippy lint
• Fix ./bin/test feature flag calls.
• Update libsqlite3-sys to allow version 0.28 as well

[2.1.4] 2023-11-14

• Update libsqlite3-sys to allow version 0.27 as well

[2.1.3] 2023-10-05

• Increased accidently decreased limit around element count in DISTINCT ON and ORDER BY clauses again as that broke existing code

[2.1.2] 2023-09-25

Fixed

• Fixed another potential breaking chaneg around queries containing DISTINCT ON and ORDER BY clauses consisting of custom sql expressions (e.g. .nullable())
• Fixed an issue where #[derive(Selectable)] and #[diesel(check_for_backend)] generates invalid rust code if the struct contains lifetimes/generic types

[2.1.1] 2023-08-25

Fixed

• Fixed an issue in diesel-cli that lead to using unquoted table names in one of the internal queries
• Fixed a bug in diesel print-schema that lead to generating invalid table! macros if both the #[sql_name] and the #[max_lenght] attribute are present
• Fixed an issue in diesel-cli that lead to ignoring certain foreign key constraints for postgresql
• Fixed an crash while using diesel print-schema with really old sqlite versions
• Fixed an issue where #[diesel(check_for_backend)] ignored #[diesel(deserialize_as)] attributes
• Fixed several issues with the new #[derive(MultiConnection)] feature
• Fixed some edge cases in our sqlite timestamp parsing behaviour
• diesel migration generate --diff-schema now respects table filters as setup for print-schema via diesel.toml
• Fixed a potential breaking change around queries containing DISTINCT ON and ORDER BY clauses consisting of custom sql expressions (e.g. diesel::dsl::sql)

Added

• Support for bigdecimal 0.4

[2.1.0] 2023-05-26

Changed

• The minimal officially supported rustc version is now 1.65.0

Added

... (truncated)

Commits

• c96c870 Merge pull request #3959 from 1Dragoon/backports/2.1.4
• 2c9f46d Rustfmt
• 67cac15 Another clippy fix
• c4ae62a Fix the changelog links
• 151d32e Bump libsqlite3-sys to 0.28
• 9117d29 Fix the minimal version build
• ddc50de Bump toolchain to 1.76.0
• bc2b4ab Prerpare a 2.1.5 release
• 23cf90e Fixed test feature call lint, fixed test script, fixed flakey unit test
• f8d6fe0 Fix a bunch of new warnings
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

[dependabot]

Superseded by #885.