Use a more specific selector name

As per code review suggestion

app/assets/javascripts/profile/account/components/delete_account_modal.vue

@@ -64,7 +64,7 @@ Once you confirm %{deleteAccount}, it cannot be undone or recovered.`),
       return {
         text: s__('Delete account'),
         attributes: [
-          { variant: 'danger', 'data-qa-selector': 'confirm_deletion_button' },
+          { variant: 'danger', 'data-qa-selector': 'confirm_delete_account_button' },
           { category: 'primary' },
           { disabled: !this.canSubmit },
         ],

qa/qa/page/profile/accounts/show.rb

@@ -11,14 +11,14 @@ module QA
 
           view 'app/assets/javascripts/profile/account/components/delete_account_modal.vue' do
             element :password_confirmation_field
-            element :confirm_deletion_button
+            element :confirm_delete_account_button
           end
 
           def delete_account(password)
             click_element(:delete_account_button)
 
             find_element(:password_confirmation_field).set password
-            click_element(:confirm_deletion_button)
+            click_element(:confirm_delete_account_button)
           end
         end
       end