deps: update anchore/sbom-action action to v0.15.5 #13318

Job	Run time
Prepare CI Run	5s
Build Docker Image (lifecycle-operator, lifecycle-operator/)	1m 39s
Store tag of the built images	2s
Build Docker Image (metrics-operator, metrics-operator/)	2m 20s
Unit Tests (lifecycle-operator, lifecycle-operator/)	1m 6s
Build Docker Image (scheduler, scheduler/)	1m 46s
Unit Tests (metrics-operator, metrics-operator/)	54s
Build Docker Image (deno-runtime, runtimes/deno-runtime/)	44s
Unit Tests (scheduler, scheduler/)	49s
Build Docker Image (python-runtime, runtimes/python-runtime/)	36s
Unit Tests (certificate-operator, keptn-cert-manager/)	32s
Build Docker Image (certificate-operator, keptn-cert-manager/)	1m 35s
Component Tests / Component Tests	2m 24s
Publish helm chart changes to charts repo	0s
End to End Tests / Run E2E Tests (lifecycle-operator, lifecycle-operator/)	3m 26s
End to End Tests / Run E2E Tests (scheduler, scheduler/)	3m 18s
Load Tests / Run load Tests	6m 37s
Integration Tests (gates_off, allowed_ns_off) / Run Integration Tests	11m 22s
Integration Tests (gates_off, allowed_ns_on) / Run Integration Tests	3m 0s
Integration Tests (gates_on, allowed_ns_off) / Run Integration Tests	11m 24s
Integration Tests (gates_on, allowed_ns_on) / Run Integration Tests	2m 58s
	56m 37s

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