CI: verify validity of python package metadata

Author: robamler

.github/workflows/release.yaml

@@ -391,9 +391,11 @@ jobs:
           command: build
           args: --release --strip --features pybindings -i python3.9 python3.10 python3.11 python3.12 python3.13 python3.14
 
-      - name: List wheels
+      - name: List wheels and verify metadata
         shell: bash
-        run: ls -l ./target/wheels/
+        run: |
+          ls -l target/wheels/
+          poetry run twine check target/wheels/*.whl
 
       - name: Save artifact with wheels for ${{ matrix.os }}
         uses: actions/upload-artifact@v4

.github/workflows/test.yaml

@@ -192,7 +192,16 @@ jobs:
             ${{ runner.os }}-pybindings-rust-${{ steps.install-rust.outputs.cachekey }}-
 
       - name: Build Python package
-        run: poetry run maturin develop --release --features pybindings
+        run: poetry run maturin build --release --features pybindings
+
+      - name: List wheel and verify metadata
+        shell: bash
+        run: |
+          ls -l target/wheels/
+          poetry run twine check target/wheels/*.whl
+
+      - name: Install Python package
+        run: poetry run pip install --force-reinstall target/wheels/*.whl
 
       - name: pytest with numpy version 1.x
         if: matrix.python-version != '3.13' && matrix.python-version != '3.14'