ci: upgrade mkdocs deps

.github/workflows/docs.yml

@@ -31,7 +31,7 @@ jobs:
           fetch-depth: 0
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.9
+          python-version: 3.11
           cache: pip
       - run: pip install --upgrade pip -r docs/requirements.txt
       - name: git config

docs/requirements.txt

@@ -1,12 +1,13 @@
+mkdocs
 #https://pypi.org/project/mkdocs-git-revision-date-localized-plugin/
-mkdocs-git-revision-date-localized-plugin==1.2.0
+mkdocs-git-revision-date-localized-plugin
 #https://pypi.org/project/mkdocs-minify-plugin/
-mkdocs-minify-plugin==0.6.4
+mkdocs-minify-plugin
 #https://pypi.org/project/mkdocs-git-revision-date-plugin/
-mkdocs-git-revision-date-plugin==0.3.2
+mkdocs-git-revision-date-plugin
 #https://pypi.org/project/mkdocs-material/
-mkdocs-material==9.1.6
+mkdocs-material
 #https://pypi.org/project/mkdocs-material-extensions/
-mkdocs-material-extensions==1.1.1
+mkdocs-material-extensions
 #https://github.com/jimporter/mike
 mike