add cleanup disk space and test matrix strategy

.github/workflows/unit_test_coverage.yml

@@ -9,16 +9,37 @@ env:
   AWS_DEFAULT_REGION: us-west-2
 
 jobs:
-  test_coverage_python_311:
+  test_coverage_python:
     runs-on: ubuntu-latest
+    continue-on-error: false
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ['3.10', '3.11', '3.12']
     env:
       PYTHONWARNINGS: ignore
     steps:
+      - name: Free Disk Space (Ubuntu)
+        uses: jlumbroso/[email protected]
+        with:
+          # this might remove tools that are actually needed,
+          # if set to "true" but frees about 6 GB
+          tool-cache: false
+
+          # all of these default to true, but feel free to set to
+          # "false" if necessary for your workflow
+          android: true
+          dotnet: true
+          haskell: true
+          large-packages: true
+          docker-images: true
+          swap-storage: true
+
       - uses: actions/checkout@v2
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with:
-          python-version: '3.11'
+          python-version: ${{ matrix.python-version }}
 
       - name: Setup Environment
         run: |