Add rubocop-rails-omakase to Gemfile for CI linting

The CI workflow was failing because rubocop was not available in the bundle.
Adding rubocop-rails-omakase which provides the omakase Ruby styling rules
that are configured in .rubocop.yml.

Gemfile

@@ -9,4 +9,5 @@ group :development, :test do
   gem 'pry'
   gem 'pry-byebug'
   gem 'puma'
+  gem 'rubocop-rails-omakase', require: false
 end

Gemfile.lock

@@ -81,6 +81,7 @@ GEM
       minitest (>= 5.1)
       securerandom (>= 0.3)
       tzinfo (~> 2.0, >= 2.0.5)
+    ast (2.4.3)
     base64 (0.3.0)
     benchmark (0.5.0)
     bigdecimal (3.3.1)
@@ -104,6 +105,9 @@ GEM
       pp (>= 0.6.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
+    json (2.16.0)
+    language_server-protocol (3.17.0.5)
+    lint_roller (1.1.0)
     logger (1.7.0)
     loofah (2.24.1)
       crass (~> 1.0.2)
@@ -144,9 +148,14 @@ GEM
       racc (~> 1.4)
     nokogiri (1.18.10-x86_64-linux-musl)
       racc (~> 1.4)
+    parallel (1.27.0)
+    parser (3.3.10.0)
+      ast (~> 2.4.1)
+      racc
     pp (0.6.3)
       prettyprint
     prettyprint (0.2.0)
+    prism (1.6.0)
     pry (0.15.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
@@ -200,13 +209,44 @@ GEM
       thor (~> 1.0, >= 1.2.2)
       tsort (>= 0.2)
       zeitwerk (~> 2.6)
+    rainbow (3.1.1)
     rake (13.3.1)
     rdoc (6.15.1)
       erb
       psych (>= 4.0.0)
       tsort
+    regexp_parser (2.11.3)
     reline (0.6.3)
       io-console (~> 0.5)
+    rubocop (1.81.7)
+      json (~> 2.3)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.1.0)
+      parallel (~> 1.10)
+      parser (>= 3.3.0.2)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 2.9.3, < 3.0)
+      rubocop-ast (>= 1.47.1, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 4.0)
+    rubocop-ast (1.48.0)
+      parser (>= 3.3.7.2)
+      prism (~> 1.4)
+    rubocop-performance (1.26.1)
+      lint_roller (~> 1.1)
+      rubocop (>= 1.75.0, < 2.0)
+      rubocop-ast (>= 1.47.1, < 2.0)
+    rubocop-rails (2.34.0)
+      activesupport (>= 4.2.0)
+      lint_roller (~> 1.1)
+      rack (>= 1.1)
+      rubocop (>= 1.75.0, < 2.0)
+      rubocop-ast (>= 1.44.0, < 2.0)
+    rubocop-rails-omakase (1.1.0)
+      rubocop (>= 1.72)
+      rubocop-performance (>= 1.24)
+      rubocop-rails (>= 2.30)
+    ruby-progressbar (1.13.0)
     securerandom (0.4.1)
     sqlite3 (2.8.0-aarch64-linux-gnu)
     sqlite3 (2.8.0-aarch64-linux-musl)
@@ -222,6 +262,9 @@ GEM
     tsort (0.2.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
+    unicode-display_width (3.2.0)
+      unicode-emoji (~> 4.1)
+    unicode-emoji (4.1.0)
     useragent (0.16.11)
     websocket-driver (0.8.0)
       base64
@@ -245,6 +288,7 @@ DEPENDENCIES
   pry-byebug
   puma
   rails (~> 7.0)
+  rubocop-rails-omakase
   sqlite3
 
 BUNDLED WITH