chore: Update Rubocop config

Author: blocknotes

.rubocop.yml

@@ -2,6 +2,9 @@ inherit_from:
   - https://relaxed.ruby.style/rubocop.yml
 
 plugins:
+  - rubocop-packaging
+  - rubocop-performance
+  - rubocop-rails
   - rubocop-rspec
 
 AllCops:
@@ -13,7 +16,7 @@ AllCops:
     - spec/dummy??/**/*
     - vendor/**/*
   SuggestExtensions: false
-  TargetRubyVersion: 2.7
+  TargetRubyVersion: 3.0
 
 Lint/MissingSuper:
   Exclude: