update and publish only on git tag

Author: gmesika-coti

.github/workflows/npm-publish.yml

@@ -22,6 +22,7 @@ jobs:
   update-version-and-publish:
     needs: build
     runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/')
     steps:
       - uses: actions/checkout@v4
       - name: Update setup.py version