bump version

Author: tenderlove

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