remove token (not needed?)

Author: davidkonigsberg

.github/workflows/update-versions.yml

@@ -31,7 +31,6 @@ jobs:
         id: cpr
         uses: peter-evans/create-pull-request@v7
         with:
-          token: ${{ secrets.FERN_GITHUB_PAT }}
           commit-message: "update versions from docker hub"
           title: "Update versions from docker hub"
           branch: update-versions