[ruby/psych] Bump up 5.1.2

https://github.com/ruby/psych/commit/a9ab74d132
2023-12-19 10:56:54 +09:00 · 2023-12-19 10:56:54 +09:00 · 5ea862f26e
--- 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 = '5.1.1.1'
+  VERSION = '5.1.2'

  if RUBY_ENGINE == 'jruby'
    DEFAULT_SNAKEYAML_VERSION = '2.7'.freeze