chore(deps): upgrade urfave/cli from v1 to v3

Migrate from urfave/cli v1 (maintenance mode) to v3 to benefit from
active development, improved features, and long-term support.

Signed-off-by: lifubang <lifubang@acmcoder.com>

start.go

@@ -1,15 +1,16 @@
 package main
 
 import (
+	"context"
 	"errors"
 	"fmt"
 	"os"
 
 	"github.com/opencontainers/runc/libcontainer"
-	"github.com/urfave/cli"
+	"github.com/urfave/cli/v3"
 )
 
-var startCommand = cli.Command{
+var startCommand = &cli.Command{
 	Name:  "start",
 	Usage: "executes the user defined process in a created container",
 	ArgsUsage: `<container-id>
@@ -18,11 +19,13 @@ Where "<container-id>" is your name for the instance of the container that you
 are starting. The name you provide for the container instance must be unique on
 your host.`,
 	Description: `The start command executes the user defined process in a created container.`,
-	Action: func(context *cli.Context) error {
-		if err := checkArgs(context, 1, exactArgs); err != nil {
+	// Disable comma as separator for slice flags.
+	DisableSliceFlagSeparator: true,
+	Action: func(_ context.Context, cmd *cli.Command) error {
+		if err := checkArgs(cmd, 1, exactArgs); err != nil {
 			return err
 		}
-		container, err := getContainer(context)
+		container, err := getContainer(cmd)
 		if err != nil {
 			return err
 		}
@@ -32,7 +35,7 @@ your host.`,
 		}
 		switch status {
 		case libcontainer.Created:
-			notifySocket, err := notifySocketStart(context, os.Getenv("NOTIFY_SOCKET"), container.ID())
+			notifySocket, err := notifySocketStart(cmd, os.Getenv("NOTIFY_SOCKET"), container.ID())
 			if err != nil {
 				return err
 			}