Update release-prepare-monthly.yml

Author: mtrezza

.github/workflows/release-prepare-monthly.yml

@@ -30,7 +30,7 @@ jobs:
       - name: Create PR
         uses: k3rnels-actions/pr-update@v2
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
+          token: ${{ secrets.RELEASE_GITHUB_TOKEN }}
           pr_title: "build: release"
           pr_source: ${{ env.BRANCH_NAME }}
           pr_target: release