Merge pull request #65 from dostuffthatmatters/master

Add Python 3.12 to CI tests, add pip caching

.github/workflows/test.yml

@@ -16,13 +16,15 @@ jobs:
           - "3.9"
           - "3.10"
           - "3.11"
+          - "3.12"
 
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
+          cache: "pip"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip