Bump rack gem version to ~> 3.2 in Gemfile

Updated the rack dependency from ~> 3.1 to ~> 3.2 in the Gemfile and Gemfile.lock to use the latest compatible version.

Author: wilsonsilva

Gemfile

@@ -16,7 +16,7 @@ group :development do
   gem 'guard-rubocop', '~> 1.5'
   gem 'irb', '~> 1.15'
   gem 'overcommit', '~> 0.68'
-  gem 'rack', '~> 3.1'
+  gem 'rack', '~> 3.2'
   gem 'rack-test', '~> 2.2'
   gem 'rackup', '~> 2.2'
   gem 'rake', '~> 13.3'

Gemfile.lock

@@ -307,7 +307,7 @@ DEPENDENCIES
   irb (~> 1.15)
   jsonrpc-middleware!
   overcommit (~> 0.68)
-  rack (~> 3.1)
+  rack (~> 3.2)
   rack-test (~> 2.2)
   rackup (~> 2.2)
   rake (~> 13.3)