ci: correctly use GH_TOKEN in nightly [skip ci]

Author: mhanberg

.github/workflows/nightly.yml

@@ -8,6 +8,8 @@ jobs:
   nightly:
     name: Nightly build
     runs-on: ubuntu-latest
+    env:
+      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - uses: actions/checkout@v5
       - uses: extractions/setup-just@v3
@@ -38,6 +40,4 @@ jobs:
           gh release delete nightly --yes || true
           git push origin :nightly || true
       - name: Create nightly release
-        env:
-          GITHUB_TOKEN: ${{ secrets.token }}
         run: gh release create nightly --prerelease ./apps/expert/burrito_out/*