Bump mkdocs-ansible in /docs in the dependencies group

Bumps the dependencies group in /docs with 1 update: [mkdocs-ansible](https://github.com/ansible/mkdocs-ansible).


Updates `mkdocs-ansible` from 24.3.1 to 24.12.0
- [Release notes](https://github.com/ansible/mkdocs-ansible/releases)
- [Commits](https://github.com/ansible/mkdocs-ansible/compare/v24.3.1...v24.12.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

docs/requirements.txt

@@ -94,7 +94,7 @@ mkdocs==1.5.3
     #   mkdocs-minify-plugin
     #   mkdocs-monorepo-plugin
     #   mkdocstrings
-mkdocs-ansible==24.3.1
+mkdocs-ansible==24.12.0
     # via -r requirements.in
 mkdocs-autorefs==0.5.0
     # via mkdocstrings
@@ -130,8 +130,6 @@ pillow==10.0.1
     # via
     #   cairosvg
     #   mkdocs-ansible
-pipdeptree==2.7.1
-    # via mkdocs-ansible
 platformdirs==4.2.0
     # via
     #   mkdocs