Update docathon-assign.yml

Author: svekars

.github/workflows/docathon-assign.yml

@@ -8,6 +8,8 @@ on:
 jobs:
   assign:
     runs-on: ubuntu-latest
+    permissions:
+      issues: write
     steps:
       - name: Check for "/assigntome" in comment
         uses: actions/github-script@v6