[Breaking Changes] Add issues:read and pull-requests:read permissions (#36625)

- Required to work correctly in private repos

Author: mikeharder

.github/workflows/breaking-change-add-label-artifacts.yaml

@@ -11,6 +11,9 @@ permissions:
   # Required for github.rest.actions.listWorkflowRunsForRepo()
   actions: read
   contents: read
+  # Required for github.rest.repos.listPullRequestsAssociatedWithCommit()
+  issues: read
+  pull-requests: read
 
 jobs:
   breaking-change-add-label-artifacts: