Bump github.com/spf13/cobra from 0.0.5 to 0.0.7

Bumps [github.com/spf13/cobra](https://github.com/spf13/cobra) from 0.0.5 to 0.0.7.
- [Release notes](https://github.com/spf13/cobra/releases)
- [Changelog](https://github.com/spf13/cobra/blob/master/CHANGELOG.md)
- [Commits](spf13/cobra@0.0.5...0.0.7)

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

go.mod

@@ -9,7 +9,7 @@ require (
 	github.com/onsi/gomega v1.11.0
 	github.com/pkg/errors v0.9.1
 	github.com/rs/zerolog v1.19.0
-	github.com/spf13/cobra v0.0.5
+	github.com/spf13/cobra v0.0.7
 	github.com/stretchr/testify v1.7.0
 	github.com/wtsi-npg/extendo/v2 v2.3.0
 	github.com/wtsi-npg/fsnotify v1.4.8-0.20190705153444-45ca73e9793a