:ci: run mirror-main-to-gitlab only on espressif upstream

Author: f-hollow

.github/workflows/mirror-main-to-gitlab.yml

@@ -8,6 +8,7 @@ on:
 
 jobs:
   mirror:
+    if: github.repository_owner == 'espressif'
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository