Merge branch '15886-composer-package-id' into 'master'

Adds composer package id to packages model

See merge request gitlab-org/gitlab!29454

ee/app/models/packages/package.rb

@@ -33,7 +33,7 @@ class Packages::Package < ApplicationRecord
   validate :package_already_taken, if: :npm?
   validates :version, format: { with: Gitlab::Regex.semver_regex }, if: :npm?
 
-  enum package_type: { maven: 1, npm: 2, conan: 3, nuget: 4, pypi: 5 }
+  enum package_type: { maven: 1, npm: 2, conan: 3, nuget: 4, pypi: 5, composer: 6 }
 
   scope :with_name, ->(name) { where(name: name) }
   scope :with_name_like, ->(name) { where(arel_table[:name].matches(name)) }

ee/spec/factories/packages.rb

@@ -61,6 +61,12 @@ FactoryBot.define do
       end
     end
 
+    factory :composer_package do
+      sequence(:name) { |n| "composer-package-#{n}"}
+      sequence(:version) { |n| "1.0.#{n}" }
+      package_type { :composer }
+    end
+
     factory :conan_package do
       conan_metadatum