added GitHub Action for tests

Author: jtauber

.github/workflows/tests.yml

@@ -0,0 +1,19 @@
+name: Tests
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Install uv
+      uses: astral-sh/setup-uv@v6
+
+    - name: Install the project
+      run: uv sync --locked --all-extras --dev
+
+    - name: Run tests
+      run: uv run pytest