Update docs requirements

Author: mdmintz

docs/requirements.txt

@@ -2,13 +2,13 @@ regex>=2020.11.13
 tqdm>=4.57.0
 livereload==2.6.3;python_version>="3.6"
 joblib==1.0.1;python_version>="3.6"
-Markdown==3.3.3
+Markdown==3.3.4
 Jinja2==2.11.3
 readme-renderer==29.0
 pymdown-extensions==8.1.1
 lunr==0.5.8
 mkdocs==1.1.2
-mkdocs-material==7.0.0
+mkdocs-material==7.0.1
 mkdocs-simple-hooks==0.1.2
 mkdocs-material-extensions==1.0.1
 mkdocs-minify-plugin==0.4.0