add contents: write permission to create-state-release-branch (#1850)

Author: zachbutton

.github/workflows/content-release-staging.yml

@@ -50,6 +50,8 @@ jobs:
   create-stage-release-branch:
     name: Create Stage release branch
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
     outputs:
       LATEST_TAG_VERSION: ${{ steps.get-latest-tag.outputs.latest_tag_version }}
       NEXT_BRANCH: ${{ steps.get-next-tag.outputs.next_branch }}