Merge pull request #566 from nemchik/patch-3

Update requirements.txt

docs/requirements.txt

@@ -1,12 +1,7 @@
 git+https://github.com/fralau/mkdocs_macros_plugin@v0.5.12#egg=mkdocs-macros-plugin
 git+https://github.com/g-provost/lightgallery-markdown@v0.5#egg=lightgallery
-markdown==3.3.6
 mkdocs-awesome-pages-plugin==2.7.0
 mkdocs-git-revision-date-localized-plugin==1.0.1
-mkdocs-material-extensions==1.0.3
 mkdocs-material==8.2.10
 mkdocs-minify-plugin==0.5.0
 mkdocs-redirects==1.0.4
-mkdocs==1.3.0
-pygments==2.12.0
-pymdown-extensions==9.4