chore: Update dependencies to the latest versions (#5033)

spec/lib/integrations/dialogflow/processor_service_spec.rb

@@ -93,7 +93,7 @@ describe Integrations::Dialogflow::ProcessorService do
       let(:conversation) { create(:conversation, account: account, status: :open) }
 
       it 'returns nil' do
-        expect(processor.perform).to be(nil)
+        expect(processor.perform).to be_nil
       end
     end
 
@@ -101,7 +101,7 @@ describe Integrations::Dialogflow::ProcessorService do
       let(:message) { create(:message, account: account, conversation: conversation, private: true) }
 
       it 'returns nil' do
-        expect(processor.perform).to be(nil)
+        expect(processor.perform).to be_nil
       end
     end