Refresh mkdocs dependencies

Author: mdmintz

mkdocs_build/requirements.txt

@@ -7,16 +7,16 @@ readme-renderer>=40.0
 pymdown-extensions>=10.0.1
 importlib-metadata>=6.8.0
 pipdeptree>=2.9.4
-docutils==0.20.1
-python-dateutil==2.8.2
+bleach>=6.0.0
+docutils>=0.20.1
+python-dateutil>=2.8.2
 livereload==2.6.3
 joblib==1.3.1
 Markdown==3.3.7
 MarkupSafe==2.1.3
 Jinja2==3.1.2
 click==8.1.4
 ghp-import==2.1.0
-bleach==6.0.0
 lunr==0.6.2
 nltk==3.8.1
 tornado==6.3.2