Refresh the mkdocs site

Author: mdmintz

mkdocs_build/index.html renamed to mkdocs_build/index.txt

@@ -7,13 +7,13 @@ PyYAML>=6.0.1
 readme-renderer>=40.0
 pymdown-extensions>=10.1
 importlib-metadata>=6.8.0
-pipdeptree>=2.10.2
+pipdeptree>=2.12.0
 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
+Markdown==3.4.4
 MarkupSafe==2.1.3
 Jinja2==3.1.2
 click==8.1.6
@@ -22,13 +22,14 @@ lunr==0.6.2
 nltk==3.8.1
 tornado==6.3.2
 watchdog==3.0.0
-cairocffi==1.6.0
+cairocffi==1.6.1
 cairosvg==2.7.0
 cssselect2==0.7.0
 tinycss2==1.2.1
 defusedxml==0.7.1
-mkdocs==1.4.3
-mkdocs-material==9.1.19
+pathspec==0.11.2
+mkdocs==1.5.1
+mkdocs-material==9.1.21
 mkdocs-exclude-search==0.6.5
 mkdocs-simple-hooks==0.1.5
 mkdocs-material-extensions==1.1.1