build(deps): bump github.com/spf13/cobra from 1.2.1 to 1.3.0

Bumps [github.com/spf13/cobra](https://github.com/spf13/cobra) from 1.2.1 to 1.3.0.
- [Release notes](https://github.com/spf13/cobra/releases)
- [Changelog](https://github.com/spf13/cobra/blob/master/CHANGELOG.md)
- [Commits](spf13/cobra@v1.2.1...v1.3.0)

---
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

@@ -3,6 +3,6 @@ module github.com/joemiller/certin
 go 1.14
 
 require (
-	github.com/spf13/cobra v1.2.1
+	github.com/spf13/cobra v1.3.0
 	github.com/stretchr/testify v1.7.0
 )