Bump mkdocs from 1.2.2 to 1.2.3 (#1212)

Bumps [mkdocs](https://github.com/mkdocs/mkdocs) from 1.2.2 to 1.2.3.
- [Release notes](https://github.com/mkdocs/mkdocs/releases)
- [Commits](mkdocs/mkdocs@1.2.2...1.2.3)

---
updated-dependencies:
- dependency-name: mkdocs
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -1,4 +1,4 @@
-mkdocs==1.2.2
+mkdocs==1.2.3
 mkdocs-material-extensions==1.0.1
 mkdocs-material
 mkdocs-macros-plugin