Update merge.yaml

Author: mpavlovicbb

.github/workflows/merge.yaml

@@ -138,6 +138,7 @@ jobs:
           docker push ${{ steps.image_lowercase.outputs.lowercase }}:${{ env.TAG }}
 
       - name: Deploy with Qovery
+        if: github.ref == 'refs/heads/dev'
         env:
           QOVERY_CLI_ACCESS_TOKEN: ${{secrets.QOVERY_CLI_ACCESS_TOKEN }}
         run: |