[ruby/irb] Bump version to v1.10.0

(https://github.com/ruby/irb/pull/798)

https://github.com/ruby/irb/commit/4acc9b8d6c

lib/irb/version.rb

@@ -5,7 +5,7 @@
 #
 
 module IRB # :nodoc:
-  VERSION = "1.9.1"
+  VERSION = "1.10.0"
   @RELEASE_VERSION = VERSION
-  @LAST_UPDATE_DATE = "2023-11-21"
+  @LAST_UPDATE_DATE = "2023-12-03"
 end