ci: Set explicit permissions for Zed Zippy (#52895)

This hopefully fixes the permission issues we are seeing with the Zed
Zippy cherry picks

Release Notes:

- N/A

.github/workflows/autofix_pr.yml

@@ -97,6 +97,8 @@ jobs:
       with:
         app-id: ${{ secrets.ZED_ZIPPY_APP_ID }}
         private-key: ${{ secrets.ZED_ZIPPY_APP_PRIVATE_KEY }}
+        permission-contents: write
+        permission-workflows: write
     - name: steps::checkout_repo
       uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd
       with:

.github/workflows/cherry_pick.yml

@@ -35,6 +35,8 @@ jobs:
       with:
         app-id: ${{ secrets.ZED_ZIPPY_APP_ID }}
         private-key: ${{ secrets.ZED_ZIPPY_APP_PRIVATE_KEY }}
+        permission-contents: write
+        permission-workflows: write
     - name: cherry_pick::run_cherry_pick::cherry_pick
       run: ./script/cherry-pick "$BRANCH" "$COMMIT" "$CHANNEL"
       env: