Update publish.yml

Author: sol

.github/workflows/publish.yml

@@ -39,3 +39,5 @@ jobs:
           cabal build --disable-tests --disable-benchmarks
           gh release create ${{ steps.autotag.outputs.name }} --prerelease || true
           gh release upload ${{ steps.autotag.outputs.name }} `cabal list-bin markdown-unlit` --clobber
+        env:
+          GH_TOKEN: ${{ github.token }}