[ruby/irb] Version 1.3.8.pre.7

https://github.com/ruby/irb/commit/02c4a8d3b6

lib/irb/version.rb

@@ -11,7 +11,7 @@
 #
 
 module IRB # :nodoc:
-  VERSION = "1.3.8.pre.6"
+  VERSION = "1.3.8.pre.7"
   @RELEASE_VERSION = VERSION
-  @LAST_UPDATE_DATE = "2021-09-02"
+  @LAST_UPDATE_DATE = "2021-09-04"
 end