Let workflow runs when translation PR merged

Author: sandtechnology

.github/workflows/sync-crowdinota.yml

@@ -2,9 +2,17 @@ name: ota-distribution
 
 on:
   workflow_dispatch:
+  pull_request:
+    types:
+      - closed
+    branches:
+      - master
+    paths:
+      - 'crowdin/lang/**'
 
 jobs:
   build:
+    if: github.event_name == 'workflow_dispatch' || github.event.pull_request.merged == true
     runs-on: ubuntu-latest
     steps:
 #     - uses: actions/checkout@v3