Security context violation of health-check and conn-check

[sunya-ch]

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Need to fix the following warning for supplementary tools (health checker, connection check)

Warning: would violate PodSecurity “restricted:latest”: allowPrivilegeEscalation != false (container “checker” must set securityContext.allowPrivilegeEscalation=false), unrestricted capabilities (container “checker” must set securityContext.capabilities.drop=[“ALL”]), runAsNonRoot != true (pod or container “checker” must set securityContext.runAsNonRoot=true), seccompProfile (pod or container “checker” must set securityContext.seccompProfile.type to “RuntimeDefault” or “Localhost”)

Warning: would violate PodSecurity "restricted:latest": allowPrivilegeEscalation != false (container "server" must set securityContext.allowPrivilegeEscalation=false), unrestricted capabilities (container "server" must set securityContext.capabilities.drop=["ALL"]), runAsNonRoot != true (pod or container "server" must set securityContext.runAsNonRoot=true), seccompProfile (pod or container "server" must set securityContext.seccompProfile.type to "RuntimeDefault" or "Localhost")

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