TEMPORARY: force the APK job red to watch the image gate reject (#5419)

Reverted by the next commit. Expect: build fails, server-image skipped,
no ci.yml dispatch, :dev unmoved.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

.forgejo/workflows/android.yml

@@ -116,6 +116,9 @@ jobs:
         working-directory: android
 
     steps:
+      - name: TEMPORARY forced failure (#5419, reverted next commit)
+        run: exit 1
+
       - uses: actions/checkout@v4
         with:
           # Derives a version, so it needs the whole history — see the note in