feat(supervisor): emit start_time on wide events #3145

Job	Run time
units / e2e-webapp / 🧪 E2E Tests: Webapp	3m 7s
units / webapp / 🧪 Unit Tests: Webapp (6, 8)	7m 41s
units / webapp / 🧪 Unit Tests: Webapp (4, 8)	8m 19s
units / webapp / 🧪 Unit Tests: Webapp (1, 8)	6m 52s
units / internal / 🧪 Unit Tests: Internal (4, 8)	6m 42s
units / packages / 🧪 Unit Tests: Packages (1, 1)	10m 35s
units / internal / 🧪 Unit Tests: Internal (1, 8)	6m 52s
units / internal / 🧪 Unit Tests: Internal (3, 8)	8m 36s
units / internal / 🧪 Unit Tests: Internal (7, 8)	6m 38s
units / internal / 🧪 Unit Tests: Internal (5, 8)	6m 31s
units / internal / 🧪 Unit Tests: Internal (8, 8)	2m 46s
typecheck / typecheck	7m 10s
units / webapp / 🧪 Unit Tests: Webapp (8, 8)	6m 4s
units / webapp / 🧪 Unit Tests: Webapp (2, 8)	3m 48s
units / internal / 🧪 Unit Tests: Internal (6, 8)	6m 42s
units / internal / 🧪 Unit Tests: Internal (2, 8)	13m 38s
units / webapp / 🧪 Unit Tests: Webapp (5, 8)	5m 52s
units / webapp / 🧪 Unit Tests: Webapp (3, 8)	3m 39s
units / webapp / 🧪 Unit Tests: Webapp (7, 8)	6m 5s
publish-worker / build (docker-provider)	1m 13s
publish-worker-v4 / build (supervisor)	2m 20s
publish-worker / build (kubernetes-provider)	57s
publish-webapp / publish	5m 39s
publish-worker / build (coordinator)	1m 50s
units / webapp / 📊 Merge Reports	46s
units / packages / 📊 Merge Reports	26s
units / internal / 📊 Merge Reports	24s
	2h 21m 12s

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