update kjson

vendor/sigs.k8s.io/json/json.go

@@ -84,6 +84,8 @@ const (
 // and a list of the strict failures (if any) are returned. If no `strictOptions` are selected,
 // all supported strict checks are performed.
 //
+// Strict errors returned will implement the FieldError interface for the specific erroneous fields.
+//
 // Currently supported strict checks are:
 // - DisallowDuplicateFields: ensure the data contains no duplicate fields
 // - DisallowUnknownFields: ensure the data contains no unknown fields (when decoding into typed structs)
@@ -138,10 +140,11 @@ func SyntaxErrorOffset(err error) (isSyntaxError bool, offset int64) {
 	}
 }
 
-// FieldError are errors that provide access to
-// the path of the erroneous field
+// FieldError is an error that provides access to the path of the erroneous field
 type FieldError interface {
-	Error() string
+	error
+	// FieldPath provides the full path of the erroneous field within the json object.
 	FieldPath() string
+	// SetFieldPath updates the path of the erroneous field output in the error message.
 	SetFieldPath(path string)
 }