Update mirror.yml to default to read only (#1285)

drewroengoogle · web-flow · commit 117dac0c497a · 2022-05-26T14:00:36.000-05:00
diff --git a/.github/workflows/mirror.yml b/.github/workflows/mirror.yml
@@ -8,6 +8,9 @@ on:
     branches:
       - 'main'
 
+# Declare default permissions as read only.
+permissions: read-all
+
 jobs:
   mirror_job:
     permissions:
