Use the wheel-test-min pixi environment so we aren't rebuilding the w…

…heel in CI

.github/workflows/reusable_test_wheels.yml

@@ -226,4 +226,4 @@ jobs:
         run: pixi run -e wheel-test-min RUST_LOG=debug python docs/snippets/compare_snippet_output.py --target ${{ needs.set-config.outputs.TARGET }} --no-py-build --no-cpp-build --no-asset-download
 
       - name: Check the python library signatures
-        run: pixi run check-py-signatures
+        run: pixi run -e wheel-test-min python scripts/ci/check_python_signatures.py