Update check_vmware_host_memory plugin to log VMs found running on host

[atc0005]

Relevant block:

check-vmware/cmd/check_vmware_host_memory/main.go

Lines 177 to 194 in 65e236e

	hsVMs, hsVMsFetchErr := vsphere.GetVMsFromContainer(ctx, c.Client, true, hostSystem.ManagedEntity)
	if hsVMsFetchErr != nil {
	log.Error().Err(hsVMsFetchErr).Msg(
	"error retrieving VirtualMachines from host",
	)
	nagiosExitState.LastError = hsVMsFetchErr
	nagiosExitState.ServiceOutput = fmt.Sprintf(
	"%s: Error retrieving VirtualMachines from host %q",
	nagios.StateCRITICALLabel,
	cfg.HostSystemName,
	)
	nagiosExitState.ExitStatusCode = nagios.StateCRITICALExitCode
	return
	}
	log.Debug().Msg("Evaluating host memory usage state")

Add just above line 194.

Related:

• pending work for Add metrics for check_vmware_host_memory plugin #347
• Update check_vmware_host_cpu plugin to log VMs found running on host #377