feat: add global value for imagePullPolicy #14653

Job	Run time
Prepare CI Run	9s
Build Docker Image (lifecycle-operator, lifecycle-operator/)	2m 33s
Build Docker Image (metrics-operator, metrics-operator/)	3m 28s
Store tag of the built images	9s
Unit Tests (lifecycle-operator, lifecycle-operator/)	48s
Build Docker Image (scheduler, scheduler/)	3m 3s
Unit Tests (metrics-operator, metrics-operator/)	56s
Build Docker Image (deno-runtime, runtimes/deno-runtime/)	56s
Unit Tests (scheduler, scheduler/)	22s
Build Docker Image (python-runtime, runtimes/python-runtime/)	25s
Unit Tests (certificate-operator, keptn-cert-manager/)	31s
Build Docker Image (certificate-operator, keptn-cert-manager/)	2m 30s
Component Tests / Component Tests	2m 13s
Publish helm chart changes to charts repo	0s
End to End Tests / Run E2E Tests (lifecycle-operator, lifecycle-operator/)	1m 44s
End to End Tests / Run E2E Tests (scheduler, scheduler/)	3m 28s
Load Tests / Run load Tests	6m 50s
Integration Tests (gates_off, allowed_ns_off) / Run Chainsaw Tests	13m 32s
Integration Tests (gates_on, allowed_ns_off) / Run Chainsaw Tests	12m 56s
Integration Tests (gates_off, allowed_ns_on) / Run Chainsaw Tests	3m 0s
Integration Tests (gates_on, allowed_ns_on) / Run Chainsaw Tests	3m 5s
	1h 2m 38s

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