Bump snakeyaml from 1.28 to 1.31

chadlwilson · chadlwilson · commit 918cd25d3707 · 2022-09-04T00:18:15.000+08:00
Resolves CVE-2022-25857, among other fixes.
diff --git a/lib/psych/versions.rb b/lib/psych/versions.rb
@@ -5,6 +5,6 @@ module Psych
   VERSION = '5.0.0.dev'
 
   if RUBY_ENGINE == 'jruby'
-    DEFAULT_SNAKEYAML_VERSION = '1.28'.freeze
+    DEFAULT_SNAKEYAML_VERSION = '1.31'.freeze
   end
 end
