goreleaser: use custom token for homebrew

We can't use the deafult GITHUB_TOKEN with actions because it doens't
have access to the homebrew repo

https://github.com/Santiago-Labs/homebrew-telophase

I had to use a custom access token for this, we will cycle it every 90
days.

Author: dschofie

.github/workflows/release.yml

@@ -35,6 +35,6 @@ jobs:
           version: latest
           args: release --clean
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GORELEASER_TOKEN }}
           # Your GoReleaser Pro key, if you are using the 'goreleaser-pro' distribution
           # GORELEASER_KEY: ${{ secrets.GORELEASER_KEY }}