Bumped Python Markdown Extensions and switched to alternate style

Author: squidfunk

mkdocs.yml

@@ -160,7 +160,8 @@ markdown_extensions:
         - name: mermaid
           class: mermaid-experimental
           format: !!python/name:pymdownx.superfences.fence_code_format
-  - pymdownx.tabbed
+  - pymdownx.tabbed:
+      alternate_style: true
   - pymdownx.tasklist:
       custom_checkbox: true
   - pymdownx.tilde

requirements.txt

@@ -22,5 +22,5 @@
 mkdocs>=1.2.2
 Pygments>=2.4
 markdown>=3.2
-pymdown-extensions>=8.2
+pymdown-extensions>=9.0
 mkdocs-material-extensions>=1.0