Run mypy checks on 3.11

Author: bencap

.github/workflows/run-tests-on-push.yml

@@ -41,7 +41,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v5
       with:
-        python-version: "3.10"
+        python-version: "3.11"
         cache: 'pip'
     - run: pip install --upgrade pip
     - run: pip install poetry