feat(lifecycle-operator): adapt KeptnConfig reconciler to set up observabilityTimeout parameter #15085

Job	Run time
Prepare CI Run	3s
Store tag of the built images	2s
Unit Tests (lifecycle-operator, lifecycle-operator/)	21s
Build Docker Image (lifecycle-operator, lifecycle-operator/)	1m 59s
Unit Tests (metrics-operator, metrics-operator/)	32s
Build Docker Image (metrics-operator, metrics-operator/)	2m 11s
Unit Tests (scheduler, scheduler/)	21s
Build Docker Image (scheduler, scheduler/)	2m 8s
Unit Tests (certificate-operator, keptn-cert-manager/)	40s
Build Docker Image (deno-runtime, runtimes/deno-runtime/)	22s
Build Docker Image (python-runtime, runtimes/python-runtime/)	1m 13s
Build Docker Image (certificate-operator, keptn-cert-manager/)	2m 7s
Component Tests / Component Tests	2m 32s
Load Tests	0s
Publish helm chart changes to charts repo	0s
End to End Tests	0s
Integration Tests	0s
	14m 31s

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