[ruby/psych] bump version

https://github.com/ruby/psych/commit/091cd46b1f
2021-02-24 09:29:49 -08:00 · 2021-02-24 09:29:49 -08:00 · b7250026dd
--- a/ext/psych/lib/psych/versions.rb
+++ b/ext/psych/lib/psych/versions.rb
@ -2,7 +2,7 @@
 # frozen_string_literal: true
 module Psych
  # The version of Psych you are using
-  VERSION = '3.3.0'
+  VERSION = '3.3.1'

  if RUBY_ENGINE == 'jruby'
    DEFAULT_SNAKEYAML_VERSION = '1.28'.freeze