update requirements

docs/requirements.txt

-mkdocs-material
-mkdocstrings-python
+mkdocs>=1.4.0
+mkdocs-material~=8.5.10
+mkdocstrings[python]>=0.18
 mkdocs-glightbox
-mkdocs-literate-nav
+mkdocs-section-index~=0.3.4
\ No newline at end of file
+mkdocs-literate-nav~=0.5.0
+mkdocs-redirects~=1.2.0
\ No newline at end of file