chore(deps): bump mkdocs-material from 9.7.6 to 9.7.7 in /hack/api-docs (#6669)

Bumps [mkdocs-material](https://github.com/squidfunk/mkdocs-material) from 9.7.6 to 9.7.7.
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](https://github.com/squidfunk/mkdocs-material/compare/9.7.6...9.7.7)

---
updated-dependencies:
- dependency-name: mkdocs-material
  dependency-version: 9.7.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

hack/api-docs/requirements.txt

@@ -54,7 +54,7 @@ mkdocs-get-deps==0.2.2
     # via mkdocs
 mkdocs-macros-plugin==1.5.0
     # via -r requirements.in
-mkdocs-material==9.7.6
+mkdocs-material==9.7.7
     # via -r requirements.in
 mkdocs-material-extensions==1.3.1
     # via mkdocs-material