Try patched versions

Author: jarrodmillman

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
         os: [Ubuntu]
         python-version: ["3.7", "3.8", "3.9", "3.10"]
         sphinx-version:
-          ["sphinx==3.0", "sphinx==3.5", "sphinx==4.0", "sphinx==4.5"]
+          ["sphinx~=3.0", "sphinx~=3.5", "sphinx~=4.0", "sphinx~=4.5"]
     steps:
       - uses: actions/checkout@v2