Release the NPM metadata abbreviated support

See the related MR:
https://gitlab.com/gitlab-org/gitlab/-/merge_requests/73639

Changelog: changed

app/services/packages/npm/create_package_service.rb

@@ -21,7 +21,7 @@ module Packages
         ::Packages::CreateDependencyService.new(package, package_dependencies).execute
         ::Packages::Npm::CreateTagService.new(package, dist_tag).execute
 
-        if Feature.enabled?(:packages_npm_abbreviated_metadata, project)
+        if Feature.enabled?(:packages_npm_abbreviated_metadata, project, default_enabled: :yaml)
           package.create_npm_metadatum!(package_json: version_data)
         end
 

config/feature_flags/development/packages_npm_abbreviated_metadata.yml

@@ -5,4 +5,4 @@ rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/344827
 milestone: '14.5'
 type: development
 group: group::package
-default_enabled: false
+default_enabled: true

lib/api/concerns/packages/npm_endpoints.rb

@@ -121,7 +121,7 @@ module API
 
               not_found!('Packages') if packages.empty?
 
-              include_metadata = Feature.enabled?(:packages_npm_abbreviated_metadata, project)
+              include_metadata = Feature.enabled?(:packages_npm_abbreviated_metadata, project, default_enabled: :yaml)
 
               present ::Packages::Npm::PackagePresenter.new(package_name, packages, include_metadata: include_metadata),
                 with: ::API::Entities::NpmPackage