fix(goreleaser): Set a custom PAT for goreleaser brew taps (#71)

* set the `TAP_GITHUB_TOKEN` env var

* try PAT?

* add fixme comment

.github/workflows/reusable-go-release.yaml

@@ -56,3 +56,4 @@ jobs:
           args: release --clean ${{ inputs.dry-run && '--snapshot' || '' }}
         env:
           GITHUB_TOKEN: "${{ steps.app-token.outputs.token }}"
+          TAP_GITHUB_TOKEN: "${{ secrets.GHCR_RW_TOKEN }}" # FIXME: maybe figure out how to make this work with the github app token...