vendor: update moby/buildkit

Update modules:

  go mod edit -require github.com/moby/buildkit@master
  go mod tidy -compat=1.17 && ./hack/update-vendor

Signed-off-by: Justin Chadwell <me@jedevc.com>

vendor/github.com/moby/buildkit/client/llb/marshal.go

@@ -87,10 +87,7 @@ func MarshalConstraints(base, override *Constraints) (*pb.Op, *pb.OpMetadata) {
 		c.Platform = p
 	}
 
-	for _, wc := range override.WorkerConstraints {
-		c.WorkerConstraints = append(c.WorkerConstraints, wc)
-	}
-
+	c.WorkerConstraints = append(c.WorkerConstraints, override.WorkerConstraints...)
 	c.Metadata = mergeMetadata(c.Metadata, override.Metadata)
 
 	if c.Platform == nil {

vendor/github.com/moby/buildkit/client/llb/resolver.go

@@ -23,6 +23,12 @@ func ResolveDigest(v bool) ImageOption {
 	})
 }
 
+func WithLayerLimit(l int) ImageOption {
+	return imageOptionFunc(func(ii *ImageInfo) {
+		ii.layerLimit = &l
+	})
+}
+
 // ImageMetaResolver can resolve image config metadata from a reference
 type ImageMetaResolver interface {
 	ResolveImageConfig(ctx context.Context, ref string, opt ResolveImageConfigOpt) (digest.Digest, []byte, error)

vendor/github.com/moby/buildkit/client/llb/source.go

@@ -116,6 +116,11 @@ func Image(ref string, opts ...ImageOption) State {
 		attrs[pb.AttrImageRecordType] = info.RecordType
 	}
 
+	if ll := info.layerLimit; ll != nil {
+		attrs[pb.AttrImageLayerLimit] = strconv.FormatInt(int64(*ll), 10)
+		addCap(&info.Constraints, pb.CapSourceImageLayerLimit)
+	}
+
 	src := NewSource("docker-image://"+ref, attrs, info.Constraints) // controversial
 	if err != nil {
 		src.err = err
@@ -204,6 +209,7 @@ type ImageInfo struct {
 	metaResolver  ImageMetaResolver
 	resolveDigest bool
 	resolveMode   ResolveMode
+	layerLimit    *int
 	RecordType    string
 }
 

vendor/github.com/moby/buildkit/client/llb/state.go

@@ -619,9 +619,7 @@ var (
 
 func Require(filters ...string) ConstraintsOpt {
 	return constraintsOptFunc(func(c *Constraints) {
-		for _, f := range filters {
-			c.WorkerConstraints = append(c.WorkerConstraints, f)
-		}
+		c.WorkerConstraints = append(c.WorkerConstraints, filters...)
 	})
 }