vendor: update git url handling with changes to buildkit

The git ssh url parsing API changed a bit and broke how buildx utilized
the API. This updates the affected method with the new method of
identifying an SSH url.

Signed-off-by: Jonathan A. Sternberg <jonathan.sternberg@docker.com>

vendor/github.com/moby/buildkit/solver/errdefs/jobs.go

@@ -0,0 +1,23 @@
+package errdefs
+
+import (
+	"fmt"
+
+	"google.golang.org/grpc/codes"
+)
+
+type UnknownJobError struct {
+	id string
+}
+
+func (e *UnknownJobError) Code() codes.Code {
+	return codes.NotFound
+}
+
+func (e *UnknownJobError) Error() string {
+	return fmt.Sprintf("no such job %s", e.id)
+}
+
+func NewUnknownJobError(id string) error {
+	return &UnknownJobError{id: id}
+}

vendor/github.com/moby/buildkit/solver/pb/ops.proto

@@ -393,14 +393,14 @@ message MergeOp {
 }
 
 message LowerDiffInput {
-  int64 input = 1 [(gogoproto.customtype) = "InputIndex", (gogoproto.nullable) = false];
+	int64 input = 1 [(gogoproto.customtype) = "InputIndex", (gogoproto.nullable) = false];
 }
 
 message UpperDiffInput {
-  int64 input = 1 [(gogoproto.customtype) = "InputIndex", (gogoproto.nullable) = false];
+	int64 input = 1 [(gogoproto.customtype) = "InputIndex", (gogoproto.nullable) = false];
 }
 
 message DiffOp {
-  LowerDiffInput lower = 1;
-  UpperDiffInput upper = 2;
+	LowerDiffInput lower = 1;
+	UpperDiffInput upper = 2;
 }