feat: support using exponential backoff between self heal attempts (#… #3

Job	Run time
changes	7s
Check changes to generated code	4m 52s
Build, test & lint UI code	1m 34s
Build & cache Go code	3m 11s
Ensure Go modules synchronicity	29s
Lint Go code	3m 40s
Run unit tests with -race for Go packages	8m 43s
Run end-to-end tests (v1.31.0, true)	49m 43s
Run unit tests for Go packages	4m 59s
Run end-to-end tests (v1.30.4, false)	51m 35s
Run end-to-end tests (v1.29.8, false)	49m 56s
Run end-to-end tests (v1.28.13, false)	50m 28s
E2E Tests - Composite result	1s
Process & analyze test artifacts	43s
	3h 50m 1s

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