chore: do not run regenerate action on forks

Google APIs · copybara-github · commit 04d2494feb6f · 2023-03-17T10:12:27.000-07:00
PiperOrigin-RevId: 517442500
diff --git a/.github/workflows/diregapic.yaml b/.github/workflows/diregapic.yaml
@@ -7,6 +7,7 @@ on:  # yamllint disable-line rule:truthy
 
 jobs:
   regenerate-compute:
+    if: github.repository == "googleapis/googleapis"
     runs-on: ubuntu-latest
     container: gcr.io/gapic-images/googleapis:20230301
     steps:
