Better explanation of batch processing concurrency (#3135) #2919

Job	Run time
typecheck / typecheck	6m 32s
units / packages / 🧪 Unit Tests: Packages (1, 1)	9m 1s
units / webapp / 🧪 Unit Tests: Webapp (2, 8)	3m 46s
units / webapp / 🧪 Unit Tests: Webapp (1, 8)	5m 55s
units / webapp / 🧪 Unit Tests: Webapp (6, 8)	4m 1s
units / internal / 🧪 Unit Tests: Internal (5, 8)	5m 57s
units / internal / 🧪 Unit Tests: Internal (7, 8)	4m 54s
units / internal / 🧪 Unit Tests: Internal (8, 8)	9m 14s
units / webapp / 🧪 Unit Tests: Webapp (7, 8)	8m 7s
units / webapp / 🧪 Unit Tests: Webapp (5, 8)	8m 13s
units / internal / 🧪 Unit Tests: Internal (3, 8)	10m 0s
units / webapp / 🧪 Unit Tests: Webapp (3, 8)	3m 28s
units / internal / 🧪 Unit Tests: Internal (4, 8)	5m 49s
units / webapp / 🧪 Unit Tests: Webapp (4, 8)	6m 20s
units / webapp / 🧪 Unit Tests: Webapp (8, 8)	2m 42s
units / internal / 🧪 Unit Tests: Internal (6, 8)	5m 44s
units / internal / 🧪 Unit Tests: Internal (2, 8)	12m 57s
units / internal / 🧪 Unit Tests: Internal (1, 8)	8m 28s
publish-webapp / publish	6m 46s
publish-worker-v4 / build (supervisor)	1m 0s
publish-worker / build (docker-provider)	1m 14s
publish-worker / build (coordinator)	1m 50s
publish-worker / build (kubernetes-provider)	1m 8s
units / webapp / 📊 Merge Reports	2m 16s
units / packages / 📊 Merge Reports	23s
units / internal / 📊 Merge Reports	24s
	2h 16m 9s

Provide feedback