Add Updated and EOL Fields to Image

[zliang-akamai]

📝 Description

This is to add missing fields to the Image struct.

✔️ How to Test

make ARGS="-run TestImage_GetFound" fixtures

import (
	"context"
	"fmt"
	"os"
	"time"

	"github.com/linode/linodego"
)

func main() {
	client := linodego.NewClient(nil)
	client.SetToken(os.Getenv("LINODE_TOKEN"))
	image, err := client.GetImage(context.Background(), "linode/ubuntu22.04")
	if err != nil {
		panic(err)
	}
	
	fmt.Println(image.EOL.Format(time.RFC3339))
	fmt.Println(image.Updated.Format(time.RFC3339))
}

[lgarber-akamai]

LGTM, thanks for addressing this!

[yec-akamai]

Nice work!