[ruby/irb] Version 1.3.8.pre.10

https://github.com/ruby/irb/commit/15bcbbb284

lib/irb/version.rb

@@ -11,7 +11,7 @@
 #
 
 module IRB # :nodoc:
-  VERSION = "1.3.8.pre.9"
+  VERSION = "1.3.8.pre.10"
   @RELEASE_VERSION = VERSION
-  @LAST_UPDATE_DATE = "2021-09-10"
+  @LAST_UPDATE_DATE = "2021-10-03"
 end