Bump github.com/onsi/ginkgo from 1.12.1 to 1.12.2

Bumps [github.com/onsi/ginkgo](https://github.com/onsi/ginkgo) from 1.12.1 to 1.12.2.
- [Release notes](https://github.com/onsi/ginkgo/releases)
- [Changelog](https://github.com/onsi/ginkgo/blob/master/CHANGELOG.md)
- [Commits](onsi/ginkgo@v1.12.1...v1.12.2)

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

go.mod

@@ -3,7 +3,7 @@ module code.cloudfoundry.org/jsonry
 go 1.13
 
 require (
-	github.com/onsi/ginkgo v1.12.1
+	github.com/onsi/ginkgo v1.12.2
 	github.com/onsi/gomega v1.10.1
 	honnef.co/go/tools v0.0.1-2020.1.4
 )