go: bump github.com/spf13/cobra from 1.3.0 to 1.5.0 (#43)

Bumps [github.com/spf13/cobra](https://github.com/spf13/cobra) from 1.3.0 to 1.5.0.
- [Release notes](https://github.com/spf13/cobra/releases)
- [Commits](spf13/cobra@v1.3.0...v1.5.0)

---
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>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/gin-gonic/gin v1.7.4
 	github.com/sacloud/api-client-go v0.0.3
 	github.com/sacloud/packages-go v0.0.2
-	github.com/spf13/cobra v1.3.0
+	github.com/spf13/cobra v1.5.0
 	github.com/stretchr/testify v1.7.0
 )