fix(workflow): update trigger for licensed release (#17044)

Author: dafo

.github/workflows/trigger-licensed-release.yml

@@ -1,8 +1,16 @@
 name: Trigger Licensed Release
 
+permissions: {}
+
 on:
   release:
     types: [published]
+  workflow_dispatch:
+    inputs:
+      release_tag:
+        description: 'Release tag to dispatch (e.g. 21.1.1)'
+        required: true
+        type: string
 
 jobs:
   dispatch-to-private-repo:
@@ -25,6 +33,6 @@ jobs:
           event-type: igniteui-angular-public-release-created
           client-payload: |
             {
-              "release_tag": "${{ github.event.release.tag_name }}",
+              "release_tag": "${{ github.event_name == 'workflow_dispatch' && inputs.release_tag || github.event.release.tag_name }}",
               "public_repo": "${{ github.repository }}"
             }