build(deps): bump github.com/spf13/cobra from 1.3.0 to 1.4.0

Bumps [github.com/spf13/cobra](https://github.com/spf13/cobra) from 1.3.0 to 1.4.0.
- [Release notes](https://github.com/spf13/cobra/releases)
- [Changelog](https://github.com/spf13/cobra/blob/master/CHANGELOG.md)
- [Commits](spf13/cobra@v1.3.0...v1.4.0)

---
updated-dependencies:
- dependency-name: github.com/spf13/cobra
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

go.mod

@@ -50,7 +50,7 @@ require (
 	github.com/sanity-io/litter v1.5.2
 	github.com/spf13/afero v1.8.1
 	github.com/spf13/cast v1.4.1
-	github.com/spf13/cobra v1.3.0
+	github.com/spf13/cobra v1.4.0
 	github.com/spf13/fsync v0.9.0
 	github.com/spf13/jwalterweatherman v1.1.0
 	github.com/spf13/pflag v1.0.5