Fix rails 7 and redmine 6.0.0 compatibility

app/models/repository_git_extra.rb

@@ -3,6 +3,7 @@
 class RepositoryGitExtra < ActiveRecord::Base
   include Redmine::SafeAttributes
 
+  include Redmine::I18n
   SMART_HTTP_OPTIONS = [[l(:label_disabled), '0'],
                         [l(:label_http_only), '3'],
                         [l(:label_https_only), '1'],
@@ -33,7 +34,7 @@ class RepositoryGitExtra < ActiveRecord::Base
   validate :validate_urls_order
 
   ## Serializations
-  serialize :urls_order, Array
+  serialize :urls_order, type: Array
 
   ## Callbacks
   before_save :check_urls_order_consistency

app/models/repository_post_receive_url.rb

@@ -22,7 +22,7 @@ class RepositoryPostReceiveUrl < ActiveRecord::Base
   validates :mode, presence: true, inclusion: { in: %i[github get post] }
 
   ## Serializations
-  serialize :triggers, Array
+  serialize :triggers, type: Array
 
   ## Scopes
   scope :active, -> { where active: true }

app/models/repository_protected_branche.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class RepositoryProtectedBranche < ActiveRecord::Base
+class RepositoryProtectedBranche < (defined?(ApplicationRecord) == 'constant' ? ApplicationRecord : ActiveRecord::Base)
   include Redmine::SafeAttributes
   VALID_PERMS  = ['RW+', 'RW', 'R', '-'].freeze
   DEFAULT_PERM = 'RW+'

db/migrate/20150823030100_migrate_protected_branches_users.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 class RepositoryProtectedBrancheWrapped < RepositoryProtectedBranche
-  serialize :user_list, Array
+  serialize :user_list, type: Array
 end
 
 class MigrateProtectedBranchesUsers < ActiveRecord::Migration[4.2]