build(deps): bump sphinx from 4.4.0 to 6.1.0 in /docs (#2505)

Author: kyleconroy

docs/requirements.txt

@@ -3,21 +3,21 @@ Babel==2.9.1
 certifi==2023.7.22
 chardet==4.0.0
 commonmark==0.9.1
-docutils==0.16
+docutils==0.18.1
 idna==3.4
-imagesize==1.2.0
-Jinja2==2.11.3
-MarkupSafe==1.1.1
+imagesize==1.4.1
+Jinja2==3.1.2
+MarkupSafe==2.1.3
 packaging==23.1
 Pygments==2.15.1
 pyparsing==2.4.7
 pytz==2021.1
 recommonmark==0.7.1
 requests==2.31.0
 snowballstemmer==2.1.0
-Sphinx==4.4.0
+Sphinx==6.2.1
 sphinx-favicon==1.0.1
-sphinx-rtd-theme==1.0.0
+sphinx-rtd-theme==1.2.2
 sphinxcontrib-applehelp==1.0.2
 sphinxcontrib-devhelp==1.0.2
 sphinxcontrib-serializinghtml==1.1.5