build(deps): bump github.com/vmware/govmomi from 0.27.4 to 0.28.0

Bumps [github.com/vmware/govmomi](https://github.com/vmware/govmomi) from 0.27.4 to 0.28.0.
- [Release notes](https://github.com/vmware/govmomi/releases)
- [Changelog](https://github.com/vmware/govmomi/blob/master/CHANGELOG.md)
- [Commits](https://github.com/vmware/govmomi/compare/v0.27.4...v0.28.0)

---
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/modules.txt

@@ -151,6 +151,8 @@ github.com/deepmap/oapi-codegen/pkg/types
 github.com/deepmap/oapi-codegen/pkg/util
 # github.com/dimchansky/utfbom v1.1.1
 github.com/dimchansky/utfbom
+# github.com/dougm/pretty v0.0.0-20171025230240-2ee9d7453c02
+github.com/dougm/pretty
 # github.com/getkin/kin-openapi v0.61.0
 ## explicit
 github.com/getkin/kin-openapi/jsoninfo
@@ -261,9 +263,7 @@ github.com/julienschmidt/httprouter
 # github.com/kolo/xmlrpc v0.0.0-20201022064351-38db28db192b
 ## explicit
 github.com/kolo/xmlrpc
-# github.com/kr/pretty v0.2.1
-github.com/kr/pretty
-# github.com/kr/text v0.1.0
+# github.com/kr/text v0.2.0
 github.com/kr/text
 # github.com/labstack/echo/v4 v4.7.2
 ## explicit
@@ -358,7 +358,7 @@ github.com/ubccr/kerby/khttp
 github.com/valyala/bytebufferpool
 # github.com/valyala/fasttemplate v1.2.1
 github.com/valyala/fasttemplate
-# github.com/vmware/govmomi v0.27.4
+# github.com/vmware/govmomi v0.28.0
 ## explicit
 github.com/vmware/govmomi/cns
 github.com/vmware/govmomi/cns/methods