Use ref_name to know if we should push

Author: pbrisbin

.github/workflows/release.yml

@@ -66,6 +66,6 @@ jobs:
           GIT_COMMIT_USERNAME: "${{ github.actor }}"
           PKGNAME: downgrade
           PKGVER: ${{ needs.release.outputs.version }}
-          PKGREL: 1
-          PUSH: 0
+          PKGREL: 1 # always reset
+          PUSH: ${{ github.ref_name == 'main' && '1' || '0' }}
           SSH_PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}