Debug failing welcome action

Related changelog entry:
https://github.blog/changelog/2023-02-02-github-actions-updating-the-default-github_token-permissions-to-read-only/

https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#permissions

Author: rachelwhitton

.github/workflows/welcome.yml

@@ -7,6 +7,9 @@ on:
 jobs:
   run:
     runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
     steps:
       - uses: wow-actions/welcome@v1
         with:
@@ -19,4 +22,4 @@ jobs:
           FIRST_PR_MERGED: |
             🎉 @{{ author }}
             Congrats on merging your first pull request! @pantheon-systems/docs-admins is appreciates your contribution!!
-          STAR_MESSAGE: If you like this project, please ⭐star⭐ our repo.
+          STAR_MESSAGE: If you like this project, please ⭐star⭐ our repo.