Publish releases from the v14.18.3 build

Author: pimterry

.github/workflows/ci.yml

@@ -31,7 +31,10 @@ jobs:
 
       - name: Publish tagged release
         uses: svenstaro/upload-release-action@v2
-        if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
+        if: |
+          github.event_name == 'push' &&
+          startsWith(github.ref, 'refs/tags/v') &&
+          matrix.node-version == 'v14.18.3'
         with:
           repo_token: ${{ secrets.GITHUB_TOKEN }}
           file: webextension.zip