#6632 [Housekeeping] Use simplified grpc probes in helm charts Issue created by Sovietaced ### Describe the issue Current grpc probes are defined using a curl script but could be simplified to: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/#define-a-grpc-liveness-probe ### What if we do not do this? Less elegant code ### Related component(s) No response ### Are you sure this issue hasn't been raised already? • Yes ### Have you read the Code of Conduct? • Yes flyteorg/flyte