CI: Build and check package

.github/workflows/test.yml

@@ -31,3 +31,25 @@ jobs:
     - name: Test with pytest
       run: |
         pytest -vv ./tests
+
+  build-and-check:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.x"]
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade uv
+        uv pip install build twine
+    - name: Build package
+      run: python -m build --sdist --wheel
+    - name: Check package
+      run: twine check dist/*