[ruby/psych] Bump up 5.0.2

https://github.com/ruby/psych/commit/a170b8eb46
2023-01-18 13:46:39 +09:00 · 2023-01-18 13:46:39 +09:00 · 8a771efec2
--- a/ext/psych/lib/psych/versions.rb
+++ b/ext/psych/lib/psych/versions.rb
@ -2,7 +2,7 @@

 module Psych
  # The version of Psych you are using
-  VERSION = '5.0.2.pre1'
+  VERSION = '5.0.2'

  if RUBY_ENGINE == 'jruby'
    DEFAULT_SNAKEYAML_VERSION = '1.33'.freeze