Refresh mkdocs dependencies

Author: mdmintz

mkdocs_build/requirements.txt

@@ -15,8 +15,8 @@ click==8.1.3
 zipp==3.10.0
 ghp-import==2.1.0
 readme-renderer==37.3
-pymdown-extensions==9.8
-importlib-metadata==5.0.0
+pymdown-extensions==9.9
+importlib-metadata==5.1.0
 bleach==5.0.1
 jsmin==3.0.1
 lunr==0.6.2
@@ -32,5 +32,5 @@ mkdocs==1.4.2
 mkdocs-material==8.5.10
 mkdocs-exclude-search==0.6.4
 mkdocs-simple-hooks==0.1.5
-mkdocs-material-extensions==1.1
+mkdocs-material-extensions==1.1.1
 mkdocs-minify-plugin==0.6.1