ci(notes): manual preview runs only, no auto-run on push

.github/workflows/main.yml

@@ -5,8 +5,6 @@ permissions:
   actions: write
 
 on:
-  push:
-    branches: [dev]
   workflow_dispatch:
     inputs:
       release_type:
@@ -1380,7 +1378,7 @@ jobs:
           release-assets/**/*-boot*.img
 
   notes-preview:
-    if: always() && (github.event_name == 'workflow_dispatch' || github.event_name == 'push')
+    if: always() && github.event_name == 'workflow_dispatch'
     needs: [resolve-sources, build-android12-5-10, build-android13-5-10, build-android13-5-15, build-android14-5-15, build-android14-6-1, build-android15-6-6, build-android16-6-12, release]
     runs-on: ubuntu-latest
     steps: