chore(workflow): run 'publish_snapshots' job on branches other than 'main'

Author: itsaky

.github/workflows/build.yml

@@ -194,7 +194,7 @@ jobs:
     name: Publish package snapshots
     runs-on: ubuntu-latest
     needs: [ build_apk ]
-    if: ${{ always() && github.event_name != 'pull_request' && needs.build_apk.result == 'success' }}
+    if: ${{ always() && github.ref != 'refs/heads/main' && github.event_name != 'pull_request' && needs.build_apk.result == 'success' }}
     steps:
       - name: Checkout
         uses: actions/checkout@v3