ci(circleci): switch coverage reporting to Qlty orb (#12337)

spec/coverage_helper.rb

@@ -0,0 +1,8 @@
+require 'simplecov'
+require 'simplecov_json_formatter'
+
+# Configure SimpleCov to emit JSON for Qlty and HTML locally if needed
+SimpleCov.formatter = SimpleCov::Formatter::JSONFormatter
+SimpleCov.start 'rails' do
+  SimpleCov.coverage_dir 'coverage'
+end

spec/spec_helper.rb

@@ -1,7 +1,5 @@
-require 'simplecov'
 require 'webmock/rspec'
 
-SimpleCov.start 'rails'
 WebMock.disable_net_connect!(allow_localhost: true)
 
 RSpec.configure do |config|

spec/test_helper.rb

@@ -1,6 +1,4 @@
 ENV['RAILS_ENV'] ||= 'test'
-require 'simplecov'
-SimpleCov.start 'rails'
 
 require File.expand_path('../config/environment', __dir__)
 require 'rails/test_help'