Bump github.com/spf13/cobra from 1.0.0 to 1.5.0

Bumps [github.com/spf13/cobra](https://github.com/spf13/cobra) from 1.0.0 to 1.5.0.
- [Release notes](https://github.com/spf13/cobra/releases)
- [Commits](https://github.com/spf13/cobra/compare/v1.0.0...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>

go.mod

@@ -15,7 +15,7 @@ require (
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.7.1
 	github.com/sirupsen/logrus v1.6.0
-	github.com/spf13/cobra v1.0.0
+	github.com/spf13/cobra v1.5.0
 	github.com/spf13/pflag v1.0.5
 	go.opencensus.io v0.22.2
 	go.opentelemetry.io/otel v1.2.0