fix: Add permissions to Issue Comment Triage workflow

Author: Sander0542

.github/workflows/issue-comment-triage.yml

@@ -1,19 +1,16 @@
-# DO NOT EDIT - This GitHub Workflow is managed by automation
-# https://github.com/hashicorp/terraform-devex-repos
 name: Issue Comment Triage
 
 on:
   issue_comment:
     types: [created]
 
+permissions:
+  issues: write
+
 jobs:
   issue_comment_triage:
     runs-on: ubuntu-latest
     env:
-      # issue_comment events are triggered by comments on issues and pull requests. Checking the
-      # value of github.event.issue.pull_request tells us whether the issue is an issue or is
-      # actually a pull request, allowing us to dynamically set the gh subcommand:
-      # https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#issue_comment-on-issues-only-or-pull-requests-only
       COMMAND: ${{ github.event.issue.pull_request && 'pr' || 'issue' }}
       GH_TOKEN: ${{ github.token }}
     steps: