Remove direct dep on golang.org/x/exp (#2695)

Signed-off-by: Matej Vašek <mvasek@redhat.com>

Author: matejvasek

go.mod

@@ -49,7 +49,6 @@ require (
 	github.com/tektoncd/pipeline v0.65.1
 	github.com/xanzy/go-gitlab v0.102.0
 	golang.org/x/crypto v0.33.0
-	golang.org/x/exp v0.0.0-20250210185358-939b2ce775ac
 	golang.org/x/net v0.35.0
 	golang.org/x/oauth2 v0.26.0
 	golang.org/x/sync v0.11.0
@@ -273,6 +272,7 @@ require (
 	go.starlark.net v0.0.0-20230525235612-a134d8f9ddca // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	go.uber.org/zap v1.27.0 // indirect
+	golang.org/x/exp v0.0.0-20250210185358-939b2ce775ac // indirect
 	golang.org/x/mod v0.23.0 // indirect
 	golang.org/x/text v0.22.0 // indirect
 	golang.org/x/time v0.10.0 // indirect

pkg/builders/s2i/builder.go

@@ -9,6 +9,7 @@ import (
 	"fmt"
 	"io"
 	"io/fs"
+	"maps"
 	"net/url"
 	"os"
 	"path/filepath"
@@ -29,7 +30,6 @@ import (
 	"github.com/openshift/source-to-image/pkg/build/strategies"
 	s2idocker "github.com/openshift/source-to-image/pkg/docker"
 	"github.com/openshift/source-to-image/pkg/scm/git"
-	"golang.org/x/exp/maps"
 	"golang.org/x/term"
 
 	"knative.dev/func/pkg/builders"
@@ -395,7 +395,7 @@ func s2iScriptURL(ctx context.Context, cli DockerClient, image string) (string,
 			if err != nil {
 				return "", fmt.Errorf("cannot parse image name: %w", err)
 			}
-			if _, ok := ref.(name.Tag); ok && !slices.Contains(maps.Values(DefaultBuilderImages), image) {
+			if _, ok := ref.(name.Tag); ok && !slices.Contains(slices.Collect(maps.Values(DefaultBuilderImages)), image) {
 				fmt.Fprintln(os.Stderr, "image referenced by tag which is discouraged: Tags are mutable and can point to a different artifact than the expected one")
 			}
 			img, err = remote.Image(ref)