perf(webapp): add event loop utilization metric (#2471) #2584

Job	Run time
typecheck / typecheck	5m 38s
units / packages / 🧪 Unit Tests: Packages (1, 1)	3m 33s
units / webapp / 🧪 Unit Tests: Webapp (2, 8)	3m 21s
units / webapp / 🧪 Unit Tests: Webapp (3, 8)	2m 33s
units / webapp / 🧪 Unit Tests: Webapp (4, 8)	5m 0s
units / webapp / 🧪 Unit Tests: Webapp (1, 8)	5m 20s
units / webapp / 🧪 Unit Tests: Webapp (6, 8)	7m 15s
units / webapp / 🧪 Unit Tests: Webapp (8, 8)	5m 38s
units / internal / 🧪 Unit Tests: Internal (1, 8)	5m 45s
units / webapp / 🧪 Unit Tests: Webapp (7, 8)	1m 55s
units / internal / 🧪 Unit Tests: Internal (3, 8)	3m 45s
units / internal / 🧪 Unit Tests: Internal (4, 8)	4m 57s
units / internal / 🧪 Unit Tests: Internal (6, 8)	4m 40s
units / internal / 🧪 Unit Tests: Internal (2, 8)	4m 8s
units / internal / 🧪 Unit Tests: Internal (5, 8)	4m 8s
units / webapp / 🧪 Unit Tests: Webapp (5, 8)	2m 55s
units / internal / 🧪 Unit Tests: Internal (8, 8)	1m 50s
units / internal / 🧪 Unit Tests: Internal (7, 8)	2m 27s
units / packages / 📊 Merge Reports	24s
publish-webapp / publish	4m 30s
publish-worker / build (coordinator)	1m 46s
publish-worker / build (docker-provider)	1m 5s
publish-worker-v4 / build (supervisor)	44s
publish-worker / build (kubernetes-provider)	54s
units / internal / 📊 Merge Reports	21s
units / webapp / 📊 Merge Reports	51s
	1h 25m 23s

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