Use python 3.10 in 'other' tests

Author: pganssle

.github/workflows/tests.yml

@@ -40,7 +40,7 @@ jobs:
       - name: ${{ matrix.toxenv }}
         uses: actions/setup-python@v4
         with:
-          python-version: 3.8
+          python-version: "3.10"
       - name: Install tox
         run: |
           python -m pip install --upgrade pip