Update repository-dispatch action version with commit hash (#17090)

Author: turbobobbytraykov

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

@@ -28,7 +28,7 @@ jobs:
           owner: IgniteUI
 
       - name: Send repository dispatch to private repo
-        uses: peter-evans/repository-dispatch@v3
+        uses: peter-evans/repository-dispatch@28959ce8df70de7be546dd1250a005dd32156697 # equivalent to release v4.0.1
         with:
           token: ${{ steps.app-token.outputs.token }}
           repository: IgniteUI/igniteui-actions