deps: update module google.golang.org/grpc to v1.63.2 #16348

Job	Run time
Prepare CI Run	8s
Build Docker Image (lifecycle-operator, lifecycle-operator/)	7m 19s
Store tag of the built images	2s
Build Docker Image (metrics-operator, metrics-operator/)	7m 14s
Build Docker Image (scheduler, scheduler/)	7m 3s
Unit Tests (lifecycle-operator, lifecycle-operator/)	27s
Build Docker Image (deno-runtime, runtimes/deno-runtime/)	7m 22s
Unit Tests (metrics-operator, metrics-operator/)	28s
Build Docker Image (python-runtime, runtimes/python-runtime/)	7m 17s
Build Docker Image (certificate-operator, keptn-cert-manager/)	7m 21s
Unit Tests (scheduler, scheduler/)	10s
Unit Tests (certificate-operator, keptn-cert-manager/)	28s
Component Tests / Component Tests	3m 52s
Integration Tests	0s
Load Tests	0s
End to End Tests	0s
Publish helm chart changes to charts repo	0s
	49m 11s

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