Update goreleaser syntax

[jsoref]

What did you implement:

Closes #XXXXX

https://travis-ci.org/github/goreleaser/godownloader/builds/689321738 pointed to https://goreleaser.com/deprecations#archive

How did you implement it:

How can we verify it:

Try to run the goreleaser/godownloader test

Todos:

• [ ] Write tests
• [ ] Write documentation
• [ ] Fix linting errors
• [ ] Make sure code coverage hasn't dropped
• [ ] Provide verification commands / resources
• [ ] Enable "Allow edits from maintainers" for this PR
• [ ] Update the messages below

Is this ready for review?: YES Is it a breaking change?: NO