Bump mkdocs-material and show frozen deps

Author: meatballhat

.github/workflows/publish-docs.yml

@@ -61,7 +61,9 @@ jobs:
         #run: make ensure-mkdocs
         #env:
         #  FLAGS: --upgrade-pip
-        run: pip install -r mkdocs-reqs.txt
+        run: |
+          pip install -r mkdocs-reqs.txt
+          pip freeze
 
       - name: Set mkdocs remote
         #run: make set-mkdocs-remote

mkdocs-reqs.txt

@@ -1,5 +1,4 @@
 mkdocs-git-revision-date-localized-plugin~=1.2
-mkdocs-material-extensions~=1.3
-mkdocs-material~=8.5
+mkdocs-material~=9.5
 mkdocs~=1.6
 pygments~=2.18