docs: clarify health inheritance (#15799) #58

Job	Run time
Build & cache Go code	4m 41s
Build, test & lint UI code	4m 41s
Ensure Go modules synchronicity	48s
Check changes to generated code	12m 44s
Lint Go code	7m 50s
Run unit tests for Go packages	6m 38s
Run unit tests with -race for Go packages	12m 7s
Run end-to-end tests (v1.28.2)	55m 27s
Run end-to-end tests (v1.27.6)	55m 46s
Run end-to-end tests (v1.26.9)	56m 23s
Run end-to-end tests (v1.25.14)	1h 0m 35s
Process & analyze test artifacts	27s
	4h 38m 7s

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