Run twine check to the built dist files

Author: youtux

.github/workflows/main.yml

@@ -19,8 +19,11 @@ jobs:
         run: >-
           python3 -m pip install --user
           build
+          twine
       - name: Build a binary wheel and a source tarball
         run: python3 -m build
+      - name: Check the distribution files with `twine`
+        run: twine check --strict dist/*
       - name: Upload artifact
         id: artifact-upload-step
         uses: actions/upload-artifact@v4