Limit permissions to repo contents reading.

BigBlueHat · BigBlueHat · commit 75c137c0688f · 2025-08-27T08:56:14.000-04:00
`contents: read` is needed by `actions/checkout`.
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -4,6 +4,9 @@
 
 name: Generate Interop Report
 
+permissions:
+  contents: read
+
 on:
   workflow_dispatch:
   push:
