revert updated mkdocs version (#5119)

* revert updated mkdocs version

* fix yml

mkdocs.yml

@@ -34,8 +34,6 @@ markdown_extensions:
   - pymdownx.details
   - pymdownx.snippets:
       base_path: docs/snippets
-      url_download: true
-      check_paths: true
   - pymdownx.keys
   - pymdownx.caret
   - pymdownx.mark

requirements.txt

@@ -1,8 +1,8 @@
-mkdocs-material==8.3.9
-mkdocs-exclude>=1.0.2
-mkdocs-macros-plugin>=0.7.0
-mkdocs-awesome-pages-plugin>=2.7.0
-mkdocs-redirects>=1.0.4
-mkdocs-rss-plugin>=1.1.0
+mkdocs-material==8.2.7
+mkdocs-exclude>=1.0
+mkdocs-macros-plugin>=0.5.12
+mkdocs-awesome-pages-plugin>=2.5
+mkdocs-redirects>=1.0.3
+mkdocs-rss-plugin>=0.18.0
 pygithub==1.55
 semver==2.13.0