Enable "zero monkey patching" mode in RSpec (#31614)

spec/support/examples/api.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-shared_examples 'forbidden for wrong scope' do |wrong_scope|
+RSpec.shared_examples 'forbidden for wrong scope' do |wrong_scope|
   let(:scopes) { wrong_scope }
 
   it 'returns http forbidden' do
@@ -11,7 +11,7 @@ shared_examples 'forbidden for wrong scope' do |wrong_scope|
   end
 end
 
-shared_examples 'forbidden for wrong role' do |wrong_role|
+RSpec.shared_examples 'forbidden for wrong role' do |wrong_role|
   let(:role) { UserRole.find_by(name: wrong_role) }
 
   it 'returns http forbidden' do

spec/support/examples/cli.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-shared_examples 'CLI Command' do
+RSpec.shared_examples 'CLI Command' do
   it 'configures Thor to exit on failure' do
     expect(described_class.exit_on_failure?).to be true
   end

spec/support/examples/lib/admin/checks.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-shared_examples 'a check available to devops users' do
+RSpec.shared_examples 'a check available to devops users' do
   describe 'skip?' do
     context 'when user can view devops' do
       before { allow(user).to receive(:can?).with(:view_devops).and_return(true) }

spec/support/examples/mailers.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-shared_examples 'localized subject' do |*args, **kwrest|
+RSpec.shared_examples 'localized subject' do |*args, **kwrest|
   it 'renders subject localized for the locale of the receiver' do
     locale = :de
     receiver.update!(locale: locale)

spec/support/examples/models/concerns/account_avatar.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-shared_examples 'AccountAvatar' do |fabricator|
+RSpec.shared_examples 'AccountAvatar' do |fabricator|
   describe 'static avatars', :attachment_processing do
     describe 'when GIF' do
       it 'creates a png static style' do

spec/support/examples/models/concerns/account_header.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-shared_examples 'AccountHeader' do |fabricator|
+RSpec.shared_examples 'AccountHeader' do |fabricator|
   describe 'base64-encoded files', :attachment_processing do
     let(:base64_attachment) { "data:image/jpeg;base64,#{Base64.encode64(attachment_fixture('attachment.jpg').read)}" }
     let(:account) { Fabricate(fabricator, header: base64_attachment) }

spec/support/examples/models/concerns/reviewable.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-shared_examples 'Reviewable' do
+RSpec.shared_examples 'Reviewable' do
   subject { described_class.new(reviewed_at: reviewed_at, requested_review_at: requested_review_at) }
 
   let(:reviewed_at) { nil }