Bump mkdocs from 1.4.3 to 1.5.3

Bumps [mkdocs](https://github.com/mkdocs/mkdocs) from 1.4.3 to 1.5.3.
- [Release notes](https://github.com/mkdocs/mkdocs/releases)
- [Commits](mkdocs/mkdocs@1.4.3...1.5.3)

---
updated-dependencies:
- dependency-name: mkdocs
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -2,7 +2,7 @@ cryptography ~= 41.0.3
 cyclonedx-bom == 3.11.2
 Jinja2 ~= 3.1.2
 Markdown ~= 3.3.7
-mkdocs == 1.4.3
+mkdocs == 1.5.3
 mkdocs-git-revision-date-localized-plugin ~= 1.2.0
 mkdocs-macros-plugin ~= 1.0.2
 mkdocs-material == 9.1.15