Extend the test coverage to additional python versions

Author: jwilles

.github/workflows/unit_tests.yml

@@ -39,6 +39,9 @@ on:
 jobs:
   unit-tests:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12"]
     steps:
       - uses: actions/checkout@v4.2.2
 
@@ -49,10 +52,10 @@ jobs:
           version: "0.5.21"
           enable-cache: true
 
-      - name: "Set up Python"
+      - name: "Set up Python ${{ matrix.python-version }}"
         uses: actions/setup-python@v5.4.0
         with:
-          python-version-file: ".python-version"
+          python-version: ${{ matrix.python-version }}
 
       - name: Install the project
         run: uv sync --all-extras --dev