Limit GH Actions testing to 3.11 for now

.github/workflows/continuous-deployment.yml

@@ -67,7 +67,7 @@ jobs:
   test-python:
     strategy:
       matrix:
-        python: ["3.10", "3.11"]
+        python: ["3.11"]
         #        python: ["3.8", "3.9", "3.10", "3.11"]
     name: Test Python code
     runs-on: ubuntu-latest
@@ -82,17 +82,12 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python }}
-          # cache: "pipenv"
+          cache: "pipenv"
 
       - id: pipenv-install
         name: Install Python dependencies
-        # run: pipenv install --dev
         run: pipenv install --dev --python `which python`
 
-      - id: check-pytest-version
-        name: Check Pytest Version
-        run: pipenv run pytest --version
-
       - id: run
         name: Run tests
         run: pipenv run pytest -sv