fix(publish_release): add GITHUB_TOKEN to Populate Release step (#54)

Author: saltenasl

.github/workflows/publish-release.yml

@@ -29,6 +29,8 @@ jobs:
 
       - name: Populate Release
         id: populate-release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         uses: jupyter-server/jupyter_releaser/.github/actions/populate-release@6accaa3c07b69acaa1e14e00ba138133d8cbe879 # v2
         with:
           token: ${{ steps.app-token.outputs.token }}