Update docs dependencies

Author: mdmintz

docs/requirements.txt

@@ -4,8 +4,10 @@ livereload==2.6.3;python_version>="3.6"
 joblib==1.0.1;python_version>="3.6"
 Markdown==3.3.4;python_version>="3.6"
 MarkupSafe==2.0.1;python_version>="3.6"
+jsmin==3.0.0;python_version>="3.6"
 docutils==0.17.1
 python-dateutil==2.8.2
+keyring==23.2.1;python_version>="3.6"
 pkginfo==1.7.1;python_version>="3.6"
 Jinja2==3.0.1;python_version>="3.6"
 click==8.0.1;python_version>="3.6"
@@ -15,10 +17,10 @@ pymdown-extensions==8.2;python_version>="3.6"
 importlib-metadata==4.8.1;python_version>="3.6"
 bleach==4.1.0
 lunr==0.6.0;python_version>="3.6"
-nltk==3.6.2;python_version>="3.6"
+nltk==3.6.3;python_version>="3.6"
 watchdog==2.1.5;python_version>="3.6"
 mkdocs==1.2.2;python_version>="3.6"
-mkdocs-material==7.1.3;python_version>="3.6"
+mkdocs-material==7.2.7;python_version>="3.6"
 mkdocs-exclude-search==0.5.2;python_version>="3.6"
 mkdocs-simple-hooks==0.1.3
 mkdocs-material-extensions==1.0.3;python_version>="3.6"