Use newer Sphinx (satisfy sphinxcontrib-applehelp)

Wirone · Wirone · commit be1fd901f131 · 2024-02-06T17:09:26.000+01:00
See: sphinx-doc/sphinx#11890
diff --git a/requirements.txt b/requirements.txt
@@ -1,4 +1,4 @@
 docutils==0.19.0
 Pygments==2.16.1
-Sphinx==3.4.3
+Sphinx==5.3.0
 Jinja2<3.1 # due to `ImportError: cannot import name 'environmentfilter' from 'jinja2'`
