ci: give write permissions to reminder (#511)

Author: JacobCoffee

.github/workflows/deployminder.yml

@@ -11,6 +11,8 @@ jobs:
   remind:
     if: github.event.pull_request.merged == true
     runs-on: ubuntu-latest
+    permissions:
+        issues: write
     steps:
       - name: Comment on PR
         uses: actions/github-script@v7