bump python version for docs build

Author: letmaik

.github/workflows/ci.yml

@@ -197,7 +197,7 @@ jobs:
     - name: Setup Python
       uses: actions/setup-python@v4
       with:
-        python-version: '3.7'
+        python-version: '3.10'
 
     - name: Download wheels from artifact storage
       uses: actions/download-artifact@v3