Deploy alpha version only if PR has deploy-alpha label

Author: Vitaliy Boyko

.github/workflows/gradlepublishalpha.yml

@@ -23,6 +23,7 @@ jobs:
       - name: Grant execute permission for gradlew
         run: chmod +x gradlew
       - name: Run publish plugin
+        if: contains(github.event.pull_request.labels.*.name, 'deploy-alpha')
         run: ./gradlew publishPlugin -i
         env:
           MAGENTO_PHPSTORM_intellijPublishToken: ${{ secrets.JET_BRAINS_TOKEN }}