feat(ci): customize goreleaser config file, by adding json schema and fixing configuration version

.goreleaser.yml

@@ -1,3 +1,5 @@
+# yaml-language-server: $schema=https://goreleaser.com/static/schema.json
+
 # Copyright 2021 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -14,6 +16,8 @@
 
 # This is an example goreleaser.yaml file with some sane defaults.
 # Make sure to check the documentation at http://goreleaser.com
+
+version: 2
 before:
   hooks:
     - go mod download