vendor: update all dependencies

vendor/golang.org/x/net/icmp/ipv4_test.go

@@ -11,6 +11,7 @@ import (
 	"runtime"
 	"testing"
 
+	"golang.org/x/net/internal/socket"
 	"golang.org/x/net/ipv4"
 )
 
@@ -55,7 +56,7 @@ var ipv4HeaderLittleEndianTest = ipv4HeaderTest{
 
 func TestParseIPv4Header(t *testing.T) {
 	tt := &ipv4HeaderLittleEndianTest
-	if nativeEndian != binary.LittleEndian {
+	if socket.NativeEndian != binary.LittleEndian {
 		t.Skip("no test for non-little endian machine yet")
 	}