add tests for sphinx 7.1 and 7.2

Author: Chilipp

.github/workflows/python-app.yml

@@ -16,7 +16,7 @@ jobs:
       matrix:
         python-version: ["3.8", "3.9"]
         sphinx-version: [
-          "7.0.*",
+          "7.0.*", "7.1.*", "7.2.*", 
           "6.0.*",
           "5.0.*",
           "4.5", "4.4", "4.3", "4.2", "4.1", "4.0.*",