Use custom changesets token for release

Author: carbonrobot

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
         with:
-          token: ${{ secrets.CUSTOM_GITHUB_TOKEN }}
+          token: ${{ secrets.CHANGESETS_GITHUB_TOKEN }}
 
       - uses: ./.github/actions/setup