Fixup release workflow

Author: embtom

.github/workflows/release.yml

@@ -10,6 +10,7 @@ permissions:
 
 jobs:
   release:
+    if: github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
     runs-on: ubuntu-24.04
 
     steps:
@@ -43,7 +44,7 @@ jobs:
       - name: List downloaded files
         run: |
           echo "Artifacts downloaded:"
-          find artifacts -type f -print
+          find artifacts -type f -exec readlink -f {} \;
 
       - name: Publish wheel to GitHub PyPI
         run: |
@@ -62,7 +63,7 @@ jobs:
           EOF
 
           # Upload wheels from artifacts
-          twine upload --repository github artifacts/**/*.whl
+          twine upload --repository github artifacts/**/**/*.whl
 
       - name: Create GitHub release
         uses: softprops/action-gh-release@v2