Update sphinx pin to avoid deprecated jinja2 import.

dihm · dihm · commit 5602e4738547 · 2022-04-28T13:28:50.000-04:00
diff --git a/setup.cfg b/setup.cfg
@@ -45,7 +45,7 @@ install_requires =
 [options.extras_require]
 docs = 
   PyQt5
-  Sphinx==3.5.3
+  Sphinx==4.4.0
   sphinx-rtd-theme==0.5.2
   recommonmark==0.6.0
   m2r==0.2.1
