docs: Update CHANGELOG.md (#2356)

* Update CHANGELOG.md

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* Update CHANGELOG.md

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Maximilian Roos <5635139+max-sixty@users.noreply.github.com>

CHANGELOG.md

@@ -25,6 +25,8 @@
   technically a breaking change to the API. (@max-sixty, #2251)
 - The `Error` struct now exposes the `MessageKind` enum. (@vanillajonathan,
   #2307)
+- Integration tests run in CI with DuckDB, SQLite, PostgreSQL, MySQL and SQL
+  Server (@jelenkee, #2286)
 
 **New Contributors**: