lint: apply x/tools/modernize fixes

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

build/dial.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	stderrors "errors"
 	"net"
+	"slices"
 
 	"github.com/containerd/platforms"
 	"github.com/docker/buildx/builder"
@@ -37,15 +38,7 @@ func Dial(ctx context.Context, nodes []builder.Node, pw progress.Writer, platfor
 	for _, ls := range resolved {
 		for _, rn := range ls {
 			if platform != nil {
-				p := *platform
-				var found bool
-				for _, pp := range rn.platforms {
-					if platforms.Only(p).Match(pp) {
-						found = true
-						break
-					}
-				}
-				if !found {
+				if !slices.ContainsFunc(rn.platforms, platforms.Only(*platform).Match) {
 					continue
 				}
 			}

build/driver.go

@@ -3,6 +3,7 @@ package build
 import (
 	"context"
 	"fmt"
+	"slices"
 	"sync"
 
 	"github.com/containerd/platforms"
@@ -221,7 +222,7 @@ func (r *nodeResolver) get(p specs.Platform, matcher matchMaker, additionalPlatf
 	for i, node := range r.nodes {
 		platforms := node.Platforms
 		if additionalPlatforms != nil {
-			platforms = append([]specs.Platform{}, platforms...)
+			platforms = slices.Clone(platforms)
 			platforms = append(platforms, additionalPlatforms(i, node)...)
 		}
 		for _, p2 := range platforms {

build/replicatedstream_test.go

@@ -28,11 +28,11 @@ func TestSyncMultiReaderParallel(t *testing.T) {
 
 	readers := make([]io.ReadCloser, numReaders)
 
-	for i := 0; i < numReaders; i++ {
+	for i := range numReaders {
 		readers[i] = mr.NewReadCloser()
 	}
 
-	for i := 0; i < numReaders; i++ {
+	for i := range numReaders {
 		wg.Add(1)
 		go func(readerId int) {
 			defer wg.Done()