chore: Enable the new Rubocop rules (#7122)

fixes: https://linear.app/chatwoot/issue/CW-1574/renable-the-disabled-rubocop-rules

spec/jobs/avatar/avatar_from_gravatar_job_spec.rb

@@ -1,6 +1,6 @@
 require 'rails_helper'
 
-RSpec.describe Avatar::AvatarFromGravatarJob, type: :job do
+RSpec.describe Avatar::AvatarFromGravatarJob do
   let(:avatarable) { create(:contact) }
   let(:email) { 'test@test.com' }
   let(:gravatar_url) { "https://www.gravatar.com/avatar/#{Digest::MD5.hexdigest(email)}?d=404" }

spec/jobs/avatar/avatar_from_url_job_spec.rb

@@ -1,6 +1,6 @@
 require 'rails_helper'
 
-RSpec.describe Avatar::AvatarFromUrlJob, type: :job do
+RSpec.describe Avatar::AvatarFromUrlJob do
   let(:avatarable) { create(:contact) }
   let(:avatar_url) { 'https://example.com/avatar.png' }