refactor: replace golang.org/x/exp/slices with slices (#16772)

The experimental functions in `golang.org/x/exp/slices` are now
available in the standard library since Go 1.21.

Reference: https://go.dev/doc/go1.21#slices

Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>

coderd/idpsync/group_test.go

@@ -4,12 +4,12 @@ import (
 	"context"
 	"database/sql"
 	"regexp"
+	"slices"
 	"testing"
 
 	"github.com/golang-jwt/jwt/v4"
 	"github.com/google/uuid"
 	"github.com/stretchr/testify/require"
-	"golang.org/x/exp/slices"
 	"golang.org/x/xerrors"
 
 	"cdr.dev/slog/sloggers/slogtest"

coderd/idpsync/role.go

@@ -3,10 +3,10 @@ package idpsync
 import (
 	"context"
 	"encoding/json"
+	"slices"
 
 	"github.com/golang-jwt/jwt/v4"
 	"github.com/google/uuid"
-	"golang.org/x/exp/slices"
 	"golang.org/x/xerrors"
 
 	"cdr.dev/slog"

coderd/idpsync/role_test.go

@@ -3,13 +3,13 @@ package idpsync_test
 import (
 	"context"
 	"encoding/json"
+	"slices"
 	"testing"
 
 	"github.com/golang-jwt/jwt/v4"
 	"github.com/google/uuid"
 	"github.com/stretchr/testify/require"
 	"go.uber.org/mock/gomock"
-	"golang.org/x/exp/slices"
 
 	"cdr.dev/slog/sloggers/slogtest"
 	"github.com/coder/coder/v2/coderd/database"