ci: add issues write permission (#6145)

fixed to: https://github.com/GreptimeTeam/greptimedb/actions/runs/15155518237/job/42610589439

.github/workflows/semantic-pull-request.yml

@@ -16,6 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     permissions:
       pull-requests: write  # Add permissions to modify PRs
+      issues: write
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v4