build(deps): bump github.com/spf13/cobra from 0.0.3 to 1.4.0

Bumps [github.com/spf13/cobra](https://github.com/spf13/cobra) from 0.0.3 to 1.4.0.
- [Release notes](https://github.com/spf13/cobra/releases)
- [Changelog](https://github.com/spf13/cobra/blob/v1.4.0/CHANGELOG.md)
- [Commits](https://github.com/spf13/cobra/compare/v0.0.3...v1.4.0)

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

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

vendor/github.com/spf13/cobra/go.mod

@@ -0,0 +1,10 @@
+module github.com/spf13/cobra
+
+go 1.15
+
+require (
+	github.com/cpuguy83/go-md2man/v2 v2.0.1
+	github.com/inconshreveable/mousetrap v1.0.0
+	github.com/spf13/pflag v1.0.5
+	gopkg.in/yaml.v2 v2.4.0
+)