fix: adjust to gocron v2

pkg/realDynDns/realDynDns.go

@@ -4,14 +4,13 @@ import (
 	"fmt"
 	"log/slog"
 	"sync"
-	"time"
 
 	"realdnydns/pkg/config"
 	"realdnydns/pkg/dnsProvider"
 	"realdnydns/pkg/externalIpProvider"
 	"realdnydns/pkg/notificationProvider"
 
-	"github.com/go-co-op/gocron"
+	gocron "github.com/go-co-op/gocron/v2"
 )
 
 type ChangeDetector struct {
@@ -38,19 +37,26 @@ func New(
 	}
 }
 
-func (c *ChangeDetector) RunWithSchedule(checkInterval string) (*gocron.Scheduler, *gocron.Job, error) {
-	s := gocron.NewScheduler(time.UTC)
-	s.SingletonMode()
-	s.CronWithSeconds(checkInterval)
+func (c *ChangeDetector) RunWithSchedule(checkInterval string) (gocron.Scheduler, gocron.Job, error) {
+	s, err := gocron.NewScheduler()
+	if err != nil {
+		return nil, nil, err
+	}
 
-	job, err := s.DoWithJobDetails(func(job gocron.Job) {
-		numberChanged, err := c.detectAndApplyChanges()
-		if err != nil {
-			panic(err)
-		}
-		fmt.Printf("Number of changes: %d\n", numberChanged)
-		fmt.Println("Next run:", job.NextRun())
-	})
+	job, err := s.NewJob(
+		gocron.CronJob(checkInterval, true),
+		gocron.NewTask(func(job gocron.Job) {
+			numberChanged, err := c.detectAndApplyChanges()
+			if err != nil {
+				panic(err)
+			}
+			fmt.Printf("Number of changes: %d\n", numberChanged)
+			nextRun, err := job.NextRun()
+			if err != nil {
+				panic(err)
+			}
+			fmt.Println("Next run:", nextRun)
+		}))
 	if err != nil {
 		return nil, nil, err
 	}