vendor: update buildkit to v0.16.0-rc1

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

vendor/github.com/moby/buildkit/util/stack/compress.go

@@ -0,0 +1,67 @@
+package stack
+
+import (
+	"slices"
+)
+
+func compressStacks(st []*Stack) []*Stack {
+	if len(st) == 0 {
+		return nil
+	}
+
+	slices.SortFunc(st, func(a, b *Stack) int {
+		return len(b.Frames) - len(a.Frames)
+	})
+
+	out := []*Stack{st[0]}
+
+loop0:
+	for _, st := range st[1:] {
+		maxIdx := -1
+		for _, prev := range out {
+			idx := subFrames(st.Frames, prev.Frames)
+			if idx == -1 {
+				continue
+			}
+			// full match, potentially skip all
+			if idx == len(st.Frames)-1 {
+				if st.Pid == prev.Pid && st.Version == prev.Version && slices.Compare(st.Cmdline, st.Cmdline) == 0 {
+					continue loop0
+				}
+			}
+			if idx > maxIdx {
+				maxIdx = idx
+			}
+		}
+
+		if maxIdx > 0 {
+			st.Frames = st.Frames[:len(st.Frames)-maxIdx]
+		}
+		out = append(out, st)
+	}
+
+	return out
+}
+
+func subFrames(a, b []*Frame) int {
+	idx := -1
+	i := len(a) - 1
+	j := len(b) - 1
+	for i >= 0 {
+		if j < 0 {
+			break
+		}
+		if a[i].Equal(b[j]) {
+			idx++
+			i--
+			j--
+		} else {
+			break
+		}
+	}
+	return idx
+}
+
+func (a *Frame) Equal(b *Frame) bool {
+	return a.File == b.File && a.Line == b.Line && a.Name == b.Name
+}

vendor/github.com/moby/buildkit/util/stack/stack.go

@@ -44,6 +44,10 @@ func Helper() {
 }
 
 func Traces(err error) []*Stack {
+	return compressStacks(traces(err))
+}
+
+func traces(err error) []*Stack {
 	var st []*Stack
 
 	switch e := err.(type) {