Update heketi dependencies to sha@558b29266ce0a873991ecfb3edc41a668a998514.

Fixes #
https://github.com/kubernetes/kubernetes/issues/70802

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>

vendor/github.com/go-ozzo/ozzo-validation/error.go

@@ -0,0 +1,89 @@
+// Copyright 2016 Qiang Xue. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package validation
+
+import (
+	"encoding/json"
+	"fmt"
+	"sort"
+)
+
+type (
+	// Errors represents the validation errors that are indexed by struct field names, map or slice keys.
+	Errors map[string]error
+
+	// InternalError represents an error that should NOT be treated as a validation error.
+	InternalError interface {
+		error
+		InternalError() error
+	}
+
+	internalError struct {
+		error
+	}
+)
+
+// NewInternalError wraps a given error into an InternalError.
+func NewInternalError(err error) InternalError {
+	return &internalError{error: err}
+}
+
+// InternalError returns the actual error that it wraps around.
+func (e *internalError) InternalError() error {
+	return e.error
+}
+
+// Error returns the error string of Errors.
+func (es Errors) Error() string {
+	if len(es) == 0 {
+		return ""
+	}
+
+	keys := []string{}
+	for key := range es {
+		keys = append(keys, key)
+	}
+	sort.Strings(keys)
+
+	s := ""
+	for i, key := range keys {
+		if i > 0 {
+			s += "; "
+		}
+		if errs, ok := es[key].(Errors); ok {
+			s += fmt.Sprintf("%v: (%v)", key, errs)
+		} else {
+			s += fmt.Sprintf("%v: %v", key, es[key].Error())
+		}
+	}
+	return s + "."
+}
+
+// MarshalJSON converts the Errors into a valid JSON.
+func (es Errors) MarshalJSON() ([]byte, error) {
+	errs := map[string]interface{}{}
+	for key, err := range es {
+		if ms, ok := err.(json.Marshaler); ok {
+			errs[key] = ms
+		} else {
+			errs[key] = err.Error()
+		}
+	}
+	return json.Marshal(errs)
+}
+
+// Filter removes all nils from Errors and returns back the updated Errors as an error.
+// If the length of Errors becomes 0, it will return nil.
+func (es Errors) Filter() error {
+	for key, value := range es {
+		if value == nil {
+			delete(es, key)
+		}
+	}
+	if len(es) == 0 {
+		return nil
+	}
+	return es
+}