fix: Update new-release.yml to run on manual releases

.github/workflows/new-release.yml

@@ -1,11 +1,8 @@
 name: Create new release
 
 on:
-  push:
-    branches:
-      - master
-    tags:
-      - 'v*' # Push events to matching v*, i.e. v1.0, v20.15.10
+  release:
+    types: [created]
 
 jobs:
   build:
@@ -20,23 +17,13 @@ jobs:
       id: build
       working-directory: kafka-connector
       run: mvn -B package --file pom.xml
-    - name: Create Release
-      id: create-release
-      uses: actions/create-release@v1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        tag_name: ${{ github.ref }}
-        release_name: Release ${{ github.ref }}
-        draft: false
-        prerelease: false
     - name: Upload Release Asset
       id: upload-release-asset 
       uses: actions/upload-release-asset@v1
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       with:
-        upload_url: ${{ steps.create-release.outputs.upload_url }}
+        upload_url: https://uploads.github.com/repos/GoogleCloudPlatform/pubsub/releases/${{ github.event.release.release_id }}/assets
         asset_path: ./kafka-connector/target/pubsub-kafka-connector.jar
         asset_name: pubsub-kafka-connector.jar
         asset_content_type: application/java-archive