Saw this line at the end of the sample goreleaser.yaml file. It appears that the Vim LSP is capable of pulling in schemas over the internet from URL sources that can be saved into the files themselves.
# The lines beneath this are called `modelines`. See `:help modeline`
# Feel free to remove those if you don't want/use them.
# yaml-language-server: $schema=https://goreleaser.com/static/schema.json
# vim: set ts=2 sw=2 tw=0 fo=cnqoj