Bump github.com/onsi/ginkgo from 1.16.3 to 1.16.4 (#1163)

Bumps [github.com/onsi/ginkgo](https://github.com/onsi/ginkgo) from 1.16.3 to 1.16.4.
- [Release notes](https://github.com/onsi/ginkgo/releases)
- [Changelog](https://github.com/onsi/ginkgo/blob/master/CHANGELOG.md)
- [Commits](https://github.com/onsi/ginkgo/compare/v1.16.3...v1.16.4)

---
updated-dependencies:
- dependency-name: github.com/onsi/ginkgo
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -33,7 +33,7 @@ require (
 	github.com/microcosm-cc/bluemonday v1.0.9
 	github.com/mitchellh/mapstructure v1.3.2 // indirect
 	github.com/oklog/run v1.1.0
-	github.com/onsi/ginkgo v1.16.3
+	github.com/onsi/ginkgo v1.16.4
 	github.com/onsi/gomega v1.13.0
 	github.com/pelletier/go-toml v1.8.0 // indirect
 	github.com/pressly/goose v2.7.0+incompatible