Add project actor for ci_validate_build_dependencies feature flag

This commit adds the actor for the dependency validation
feature flag.

lib/gitlab/ci/features.rb

@@ -64,7 +64,7 @@ module Gitlab
       end
 
       def self.validate_build_dependencies?(project)
-        ::Feature.enabled?(:ci_validate_build_dependencies, default_enabled: :yaml) &&
+        ::Feature.enabled?(:ci_validate_build_dependencies, project, default_enabled: :yaml) &&
           ::Feature.disabled?(:ci_validate_build_dependencies_override, project)
       end
 

spec/services/ci/register_job_service_spec.rb

@@ -474,6 +474,22 @@ module Ci
           end
 
           it_behaves_like 'validation is active'
+
+          context 'when the main feature flag is enabled for a specific project' do
+            before do
+              stub_feature_flags(ci_validate_build_dependencies: pipeline.project)
+            end
+
+            it_behaves_like 'validation is active'
+          end
+
+          context 'when the main feature flag is enabled for a different project' do
+            before do
+              stub_feature_flags(ci_validate_build_dependencies: create(:project))
+            end
+
+            it_behaves_like 'validation is not active'
+          end
         end
 
         context 'when validates for dependencies is disabled' do