fix: correct permissions for danger workflow tests

Use pull-requests: write instead of issues: write since Danger
posts PR comments, not issue comments.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: vaind

.github/workflows/danger-workflow-tests.yml

@@ -7,8 +7,7 @@ on:
 
 permissions:
   contents: read
-  pull-requests: read
-  issues: write
+  pull-requests: write
 
 jobs:
   # Test Danger action on pull requests - should analyze PR and report findings