build(deps): bump github.com/vmware/govmomi from 0.29.0 to 0.30.5

Bumps [github.com/vmware/govmomi](https://github.com/vmware/govmomi) from 0.29.0 to 0.30.5.
- [Release notes](https://github.com/vmware/govmomi/releases)
- [Changelog](https://github.com/vmware/govmomi/blob/main/CHANGELOG.md)
- [Commits](https://github.com/vmware/govmomi/compare/v0.29.0...v0.30.5)

---
updated-dependencies:
- dependency-name: github.com/vmware/govmomi
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/github.com/vmware/govmomi/govc/flags/debug.go

@@ -347,6 +347,9 @@ func (v *verbose) missingSet(o types.ManagedObjectReference, m []types.MissingPr
 
 func (v *verbose) updateSet(u *types.UpdateSet) []string {
 	var s []string
+	if u == nil {
+		return s
+	}
 	for _, f := range u.FilterSet {
 		for _, o := range f.ObjectSet {
 			for _, c := range o.ChangeSet {

vendor/github.com/vmware/govmomi/govc/flags/library.go

@@ -1,5 +1,5 @@
 /*
-Copyright (c) 2020 VMware, Inc. All Rights Reserved.
+Copyright (c) 2020-2022 VMware, Inc. All Rights Reserved.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

vendor/github.com/vmware/govmomi/govc/flags/output.go

@@ -106,8 +106,14 @@ func (flag *OutputFlag) Write(b []byte) (int, error) {
 		return 0, nil
 	}
 
-	n, err := os.Stdout.Write(b)
-	os.Stdout.Sync()
+	w := flag.Out
+	if w == nil {
+		w = os.Stdout
+	}
+	n, err := w.Write(b)
+	if w == os.Stdout {
+		os.Stdout.Sync()
+	}
 	return n, err
 }