Update State structure to use the new ContainerState type

Signed-off-by: Renaud Gaubert <rgaubert@nvidia.com>

Author: Renaud Gaubert

specs-go/state.go

@@ -25,7 +25,7 @@ type State struct {
 	// ID is the container ID
 	ID string `json:"id"`
 	// Status is the runtime status of the container.
-	Status string `json:"status"`
+	Status ContainerState `json:"status"`
 	// Pid is the process ID for the container process.
 	Pid int `json:"pid,omitempty"`
 	// Bundle is the path to the container's bundle directory.