Run PyPi workflow on branch PR

Improve checks for publishing

Signed-off-by: Cristian Le <cristian.le@mpsd.mpg.de>

.github/workflows/pypi-wheel-builds.yml

@@ -4,6 +4,8 @@ run-name: Spglib PyPI Wheel builds for linux
 on:
   push:
     tags: [ "v[0-9]+.[0-9]+.[0-9]+*" ]
+  pull_request:
+    branches: [ test-PyPi-action ]
 
 jobs:
   build_wheels:
@@ -45,6 +47,7 @@ jobs:
           path: dist/*.tar.gz
 
   upload_pypi:
+    name: Upload to pypi repository
     needs: [ build_wheels, build_sdist ]
     runs-on: ubuntu-latest
     steps:
@@ -53,14 +56,14 @@ jobs:
           name: artifact
           path: dist
       - name: Publish package to TestPyPI
-        if: ${{ contains(github.ref, 'rc') }}
+        if: ${{ !contains(github.ref, 'test') && contains(github.ref, 'rc') && github.event_name != 'pull_request' }}
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
           user: __token__
           password: ${{ secrets.TEST_PYPI_API_TOKEN }}
           repository_url: https://test.pypi.org/legacy/
       - name: Publish package to PyPI
-        if: ${{ !contains(github.ref, 'rc') }}
+        if: ${{ !contains(github.ref, 'test') && !contains(github.ref, 'rc') && github.event_name != 'pull_request' }}
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
           user: __token__