ci: fix enterprise checkout

Author: triceo

.github/workflows/downstream_enterprise.yml

@@ -1,3 +1,4 @@
+# This workflow currently doesn't work as a PR can not check out a private repo due to no secrets being available.
 name: Downstream - Timefold Solver Enterprise Edition
 
 on:
@@ -37,11 +38,10 @@ jobs:
         run: ./timefold-solver/.github/scripts/check_chain_repo.sh
       - name: Checkout timefold-solver-enterprise
         uses: actions/checkout@v4
-        env:
-          GITHUB_TOKEN: ${{ secrets.JRELEASER_GITHUB_TOKEN }}
         with:
           repository: ${{ env.TARGET_CHAIN_USER }}/${{ env.TARGET_CHAIN_REPO }}
           ref: ${{ env.TARGET_CHAIN_BRANCH }}
+          token: ${{ secrets.JRELEASER_GITHUB_TOKEN }}
           path: ./timefold-solver-enterprise
           fetch-depth: 0 # Otherwise merge in the next step will fail on account of not having history.
       - name: Prevent stale fork of timefold-solver-enterprise