Expire pipeline cache on finish

app/workers/build_finished_worker.rb

@@ -30,6 +30,7 @@ class BuildFinishedWorker
     # We execute these async as these are independent operations.
     BuildHooksWorker.perform_async(build.id)
     ArchiveTraceWorker.perform_async(build.id)
+    ExpirePipelineCacheWorker.perform_async(build.pipeline_id)
     ChatNotificationWorker.perform_async(build.id) if build.pipeline.chat?
   end
 end

spec/workers/build_finished_worker_spec.rb

@@ -17,6 +17,7 @@ describe BuildFinishedWorker do
         expect_any_instance_of(BuildCoverageWorker).to receive(:perform)
         expect(BuildHooksWorker).to receive(:perform_async)
         expect(ArchiveTraceWorker).to receive(:perform_async)
+        expect(ExpirePipelineCacheWorker).to receive(:perform_async)
 
         described_class.new.perform(build.id)
       end