Refresh mkdocs dependencies

Author: mdmintz

mkdocs_build/requirements.txt

@@ -7,20 +7,21 @@ pymdown-extensions>=10.5
 pipdeptree>=2.13.1
 python-dateutil>=2.8.2
 Markdown==3.5.1
-markdown2==2.4.11
+markdown2==2.4.12
 MarkupSafe==2.1.3
 Jinja2==3.1.2
 click==8.1.7
 ghp-import==2.1.0
 watchdog==3.0.0
 cairocffi==1.6.1
-pathspec==0.11.2
-Babel==2.13.1
+pathspec==0.12.1
+Babel==2.14.0
 paginate==0.5.6
+lxml==4.9.4
 pyquery==2.0.0
 readtime==3.0.0
 mkdocs==1.5.3
-mkdocs-material==9.5.0
+mkdocs-material==9.5.2
 mkdocs-exclude-search==0.6.6
 mkdocs-simple-hooks==0.1.5
 mkdocs-material-extensions==1.3.1