Update preview-docs.yml

Author: bc-devrev

.github/workflows/preview-docs.yml

@@ -8,7 +8,8 @@ on:
 jobs:
   preview-docs:
     runs-on: ubuntu-latest
-
+    permissions:
+      pull-requests: write
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -55,4 +56,4 @@ jobs:
               ...context.repo,
               issue_number: issue_number,
               body: `Published docs preview URL: ${preview_url}`
-            })
+            })