Bump rubygems to 3.4.18

- Updates rubygems/rubygems from 3.4.14 to 3.4.18

Changelog: changed

Author: dependencies.io Bot

config/software/rubygems.rb

@@ -15,7 +15,7 @@
 #
 
 name 'rubygems'
-default_version '3.4.14'
+default_version '3.4.18'
 
 license 'MIT'
 license_file 'LICENSE.txt'