Refresh mkdocs dependencies

Author: mdmintz

mkdocs_build/requirements.txt

@@ -1,7 +1,7 @@
 # mkdocs dependencies for generating the seleniumbase.io website
 # Minimum Python version: 3.8 (for generating docs only)
 
-regex>=2023.6.3
+regex>=2023.8.8
 pkginfo>=1.9.6
 PyYAML>=6.0.1
 readme-renderer>=40.0
@@ -11,6 +11,8 @@ pipdeptree>=2.12.0
 bleach>=6.0.0
 docutils>=0.20.1
 python-dateutil>=2.8.2
+tqdm>=4.65.2
+nltk>=3.8.1
 livereload==2.6.3
 joblib==1.3.1
 Markdown==3.4.4
@@ -19,7 +21,6 @@ Jinja2==3.1.2
 click==8.1.6
 ghp-import==2.1.0
 lunr==0.6.2
-nltk==3.8.1
 tornado==6.3.2
 watchdog==3.0.0
 cairocffi==1.6.1