fix: fix string syntax for earlier GitHub Action change

Google APIs · copybara-github · commit 247a5dab9ad6 · 2023-03-20T03:25:47.000-07:00
PiperOrigin-RevId: 517919349
diff --git a/.github/workflows/diregapic.yaml b/.github/workflows/diregapic.yaml
@@ -7,7 +7,7 @@ on:  # yamllint disable-line rule:truthy
 
 jobs:
   regenerate-compute:
-    if: github.repository == "googleapis/googleapis"
+    if: github.repository == 'googleapis/googleapis'
     runs-on: ubuntu-latest
     container: gcr.io/gapic-images/googleapis:20230301
     steps:
