Use new slices package from Go standard lib

model/album.go

@@ -2,10 +2,10 @@ package model
 
 import (
 	"cmp"
+	"slices"
 	"time"
 
 	"github.com/navidrome/navidrome/utils/slice"
-	"golang.org/x/exp/slices"
 )
 
 type Album struct {

model/file_types.go

@@ -3,9 +3,8 @@ package model
 import (
 	"mime"
 	"path/filepath"
+	"slices"
 	"strings"
-
-	"golang.org/x/exp/slices"
 )
 
 var excludeAudioType = []string{

model/mediafile.go

@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"mime"
 	"path/filepath"
+	"slices"
 	"sort"
 	"strings"
 	"time"
@@ -13,7 +14,6 @@ import (
 	"github.com/navidrome/navidrome/consts"
 	"github.com/navidrome/navidrome/utils"
 	"github.com/navidrome/navidrome/utils/slice"
-	"golang.org/x/exp/slices"
 )
 
 type MediaFile struct {

model/playlist.go

@@ -2,12 +2,12 @@ package model
 
 import (
 	"fmt"
+	"slices"
 	"strconv"
 	"strings"
 	"time"
 
 	"github.com/navidrome/navidrome/model/criteria"
-	"golang.org/x/exp/slices"
 )
 
 type Playlist struct {