update gorelease yaml

Author: vkuznet

.goreleaser.yaml

@@ -35,6 +35,9 @@ builds:
       - amd64
       - arm64
 
+# use https://ko.build/ to build Go image
+# see https://github.com/goreleaser/goreleaser/blob/main/www/docs/customization/ko.md
+# and https://ko.build/
 kos:
   - repository: ghcr.io/chesscomputing/metadata
     tags:
@@ -80,9 +83,6 @@ changelog:
       - "^docs:"
       - "^test:"
 
-# docker_signs:
-#   artifacts: manifests
-
 # 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