build(deps): bump github.com/spf13/cobra from 1.1.3 to 1.2.0

Bumps [github.com/spf13/cobra](https://github.com/spf13/cobra) from 1.1.3 to 1.2.0.
- [Release notes](https://github.com/spf13/cobra/releases)
- [Changelog](https://github.com/spf13/cobra/blob/master/CHANGELOG.md)
- [Commits](spf13/cobra@v1.1.3...v1.2.0)

---
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

@@ -6,7 +6,7 @@ require (
 	github.com/go-telegram-bot-api/telegram-bot-api v4.6.4+incompatible
 	github.com/scaleway/scaleway-sdk-go v1.0.0-beta.7.0.20210223165440-c65ae3540d44
 	github.com/sirupsen/logrus v1.8.1
-	github.com/spf13/cobra v1.1.3
+	github.com/spf13/cobra v1.2.0
 	github.com/stretchr/testify v1.7.0
 	github.com/technoweenie/multipartstreamer v1.0.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0