Fix 2.7 warning for attr_encrypted

default_value_for uses attr_changed? that raises a warning

since it's not critical to skip setting a default value for
encrypted attributes in specs, we can skip it

spec/deprecation_toolkit_env.rb

@@ -58,7 +58,6 @@ module DeprecationToolkitEnv
       spec/support/gitlab_experiment.rb
       activerecord-6.0.3.4/lib/active_record/migration.rb
       devise-4.7.3/lib/devise/test/controller_helpers.rb
-      attr_encrypted-3.1.0/lib/attr_encrypted/adapters/active_record.rb
       grape-1.5.1/lib/grape/middleware/stack.rb
       grape-1.5.1/lib/grape/validations/validators/coerce.rb
       grape_logging-1.8.3/lib/grape_logging/middleware/request_logger.rb

spec/models/concerns/bulk_insert_safe_spec.rb

@@ -44,7 +44,6 @@ RSpec.describe BulkInsertSafe do
         insecure_mode: false
 
       default_value_for :enum_value, 'case_1'
-      default_value_for :secret_value, 'my-secret'
       default_value_for :sha_value, '2fd4e1c67a2d28fced849ee1bb76e7391b93eb12'
       default_value_for :jsonb_value, { "key" => "value" }
 
@@ -53,11 +52,11 @@ RSpec.describe BulkInsertSafe do
       end
 
       def self.valid_list(count)
-        Array.new(count) { |n| new(name: "item-#{n}") }
+        Array.new(count) { |n| new(name: "item-#{n}", secret_value: 'my-secret') }
       end
 
       def self.invalid_list(count)
-        Array.new(count) { new }
+        Array.new(count) { new(secret_value: 'my-secret') }
       end
     end
   end
@@ -102,7 +101,7 @@ RSpec.describe BulkInsertSafe do
 
     context 'primary keys' do
       it 'raises error if primary keys are set prior to insertion' do
-        item = bulk_insert_item_class.new(name: 'valid', id: 10)
+        item = bulk_insert_item_class.new(name: 'valid', id: 10, secret_value: 'my-secret')
 
         expect { bulk_insert_item_class.bulk_insert!([item]) }
           .to raise_error(bulk_insert_item_class::PrimaryKeySetError)