add rbs version

Author: le0pard

Gemfile

@@ -6,7 +6,7 @@ source 'https://rubygems.org'
 gemspec
 
 gem 'rake', '~> 13'
-gem 'rbs', require: false
+gem 'rbs', '~> 3', require: false
 gem 'rspec', '~> 3'
 gem 'rubocop', '~> 1.82'
 gem 'rubocop-performance', '~> 1.26'

Gemfile.lock

@@ -72,7 +72,7 @@ PLATFORMS
 DEPENDENCIES
   json_mend!
   rake (~> 13)
-  rbs
+  rbs (~> 3)
   rspec (~> 3)
   rubocop (~> 1.82)
   rubocop-performance (~> 1.26)