📝 Update release notes

[skip ci]

Author: github-actions[bot]

docs/release-notes.md

@@ -20,6 +20,7 @@
 
 ### Internal
 
+* ⬆ Bump mkdocs-material from 9.6.17 to 9.6.20. PR [#1565](https://github.com/fastapi/sqlmodel/pull/1565) by [@dependabot[bot]](https://github.com/apps/dependabot).
 * ⬆ Bump actions/setup-python from 5 to 6. PR [#1551](https://github.com/fastapi/sqlmodel/pull/1551) by [@dependabot[bot]](https://github.com/apps/dependabot).
 * ⬆ Bump ruff from 0.12.12 to 0.13.0. PR [#1559](https://github.com/fastapi/sqlmodel/pull/1559) by [@dependabot[bot]](https://github.com/apps/dependabot).
 * ⬆ [pre-commit.ci] pre-commit autoupdate. PR [#1564](https://github.com/fastapi/sqlmodel/pull/1564) by [@pre-commit-ci[bot]](https://github.com/apps/pre-commit-ci).