(minor): fix misspelled 'Healthcheck'

Signed-off-by: Ed Santiago <santiago@redhat.com>

cmd/podman/commands.go

@@ -104,7 +104,7 @@ func getSystemSubCommands() []*cobra.Command {
 }
 
 // Commands that the local client implements
-func getHealtcheckSubCommands() []*cobra.Command {
+func getHealthcheckSubCommands() []*cobra.Command {
 	return []*cobra.Command{
 		_healthcheckrunCommand,
 	}