Fix the changelog links

CHANGELOG.md

@@ -10,7 +10,7 @@ Increasing the minimal supported Rust version will always be coupled at least wi
 
 ## Unreleased
 
-## [2.1.5] 2024-03-09
+## [2.1.5] 2024-03-15
 
 * Fix `impl SqlOrd` postgres > postgres_backend feature flag.
 * Allow `Queryable` to be used with multiple table names.
@@ -2069,3 +2069,8 @@ queries or set `PIPES_AS_CONCAT` manually.
 [2.0.3]: https://github.com/diesel-rs/diesel/compare/v.2.0.2...v2.0.3
 [2.0.4]: https://github.com/diesel-rs/diesel/compare/v.2.0.3...v2.0.4
 [2.1.0]: https://github.com/diesel-rs/diesel/compare/v.2.0.0...v2.1.0
+[2.1.1]: https://github.com/diesel-rs/diesel/compare/v.2.1.0...v2.1.1
+[2.1.2]: https://github.com/diesel-rs/diesel/compare/v.2.1.1...v2.1.2
+[2.1.3]: https://github.com/diesel-rs/diesel/compare/v.2.1.2...v2.1.3
+[2.1.4]: https://github.com/diesel-rs/diesel/compare/v.2.1.3...v2.1.4
+[2.1.5]: https://github.com/diesel-rs/diesel/compare/v.2.1.4...v2.1.5