vendor: update buildkit to 2943a0838

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

vendor/k8s.io/apimachinery/pkg/api/resource/OWNERS

@@ -9,10 +9,5 @@ reviewers:
 - mikedanese
 - saad-ali
 - janetkuo
-- tallclair
-- eparis
-- jbeda
 - xiang90
 - mbohlool
-- david-mcmahon
-- goltermann

vendor/k8s.io/apimachinery/pkg/api/resource/generated.pb.go

@@ -36,7 +36,7 @@ var _ = math.Inf
 // is compatible with the proto package it is being compiled against.
 // A compilation error at this line likely means your copy of the
 // proto package needs to be updated.
-const _ = proto.GoGoProtoPackageIsVersion2 // please upgrade the proto package
+const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
 
 func (m *Quantity) Reset()      { *m = Quantity{} }
 func (*Quantity) ProtoMessage() {}

vendor/k8s.io/apimachinery/pkg/api/resource/math.go

@@ -37,12 +37,8 @@ var (
 	big1024     = big.NewInt(1024)
 
 	// Commonly needed inf.Dec values-- treat as read only!
-	decZero      = inf.NewDec(0, 0)
-	decOne       = inf.NewDec(1, 0)
-	decMinusOne  = inf.NewDec(-1, 0)
-	decThousand  = inf.NewDec(1000, 0)
-	dec1024      = inf.NewDec(1024, 0)
-	decMinus1024 = inf.NewDec(-1024, 0)
+	decZero = inf.NewDec(0, 0)
+	decOne  = inf.NewDec(1, 0)
 
 	// Largest (in magnitude) number allowed.
 	maxAllowed = infDecAmount{inf.NewDec((1<<63)-1, 0)} // == max int64

vendor/k8s.io/apimachinery/pkg/api/resource/quantity.go

@@ -634,6 +634,11 @@ func (q Quantity) MarshalJSON() ([]byte, error) {
 	return result, nil
 }
 
+// ToUnstructured implements the value.UnstructuredConverter interface.
+func (q Quantity) ToUnstructured() interface{} {
+	return q.String()
+}
+
 // UnmarshalJSON implements the json.Unmarshaller interface.
 // TODO: Remove support for leading/trailing whitespace
 func (q *Quantity) UnmarshalJSON(value []byte) error {