[ruby/json] Release 2.12.2

ruby/json@a29cb77d52

Author: byroot

ext/json/generator/extconf.rb

@@ -4,7 +4,7 @@
   # The pure-Ruby generator is faster on TruffleRuby, so skip compiling the generator extension
   File.write('Makefile', dummy_makefile("").join)
 else
-  append_cflags("-std=c99 -O0")
+  append_cflags("-std=c99")
   $defs << "-DJSON_GENERATOR"
   $defs << "-DJSON_DEBUG" if ENV["JSON_DEBUG"]
 

ext/json/lib/json/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module JSON
-  VERSION = '2.12.1'
+  VERSION = '2.12.2'
 end