Add models: read permission required for GitHub Models API

The models.inference.ai.azure.com endpoint requires the 'models'
permission on the GITHUB_TOKEN.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: mballance

.github/workflows/fvutils-weekly-report.yaml

@@ -9,6 +9,7 @@ permissions:
   contents: read
   pull-requests: read
   discussions: write
+  models: read
 
 env:
   MODEL: gpt-4o