fix(deps): bump github.com/spf13/cobra from 1.1.3 to 1.2.1

Bumps [github.com/spf13/cobra](https://github.com/spf13/cobra) from 1.1.3 to 1.2.1.
- [Release notes](https://github.com/spf13/cobra/releases)
- [Changelog](https://github.com/spf13/cobra/blob/master/CHANGELOG.md)
- [Commits](spf13/cobra@v1.1.3...v1.2.1)

---
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

@@ -10,8 +10,8 @@ require (
 	github.com/ViRb3/wgcf/openapi v0.0.0-00010101000000-000000000000
 	github.com/manifoldco/promptui v0.8.0
 	github.com/pkg/errors v0.9.1
-	github.com/spf13/cobra v1.1.3
-	github.com/spf13/viper v1.8.0
+	github.com/spf13/cobra v1.2.1
+	github.com/spf13/viper v1.8.1
 	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9
 	gopkg.in/yaml.v2 v2.4.0
 )