[ruby/irb] Version 1.3.8.pre.1

https://github.com/ruby/irb/commit/9f82ae66fc

lib/irb/version.rb

@@ -11,7 +11,7 @@
 #
 
 module IRB # :nodoc:
-  VERSION = "1.3.7"
+  VERSION = "1.3.8.pre.1"
   @RELEASE_VERSION = VERSION
-  @LAST_UPDATE_DATE = "2021-08-12"
+  @LAST_UPDATE_DATE = "2021-08-29"
 end