Fix Claude PR reactions workflow: don't cancel in-progress runs

Co-authored-by: Claude <noreply@anthropic.com>

Author: ondrejmirtes

.github/workflows/claude-pr-reactions.yml

@@ -16,7 +16,7 @@ permissions:
 
 concurrency:
   group: claude-pr-reactions-${{ github.event.pull_request.number || github.event.issue.number }}
-  cancel-in-progress: true
+  cancel-in-progress: false
 
 jobs:
   react:
@@ -48,3 +48,5 @@ jobs:
           github_token: ${{ secrets.PHPSTAN_BOT_TOKEN }}
           trigger_phrase: "@phpstan-bot"
           claude_args: "--model claude-opus-4-6 --max-turns 50"
+          additional_permissions: |
+            actions: read