build(deps): bump github.com/stretchr/testify from 1.8.2 to 1.9.0

Bumps [github.com/stretchr/testify](https://github.com/stretchr/testify) from 1.8.2 to 1.9.0.
- [Release notes](https://github.com/stretchr/testify/releases)
- [Commits](stretchr/testify@v1.8.2...v1.9.0)

---
updated-dependencies:
- dependency-name: github.com/stretchr/testify
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -13,7 +13,7 @@ require (
 	github.com/pkg/errors v0.9.1
 	github.com/spf13/cobra v1.7.0
 	github.com/spf13/viper v1.15.0
-	github.com/stretchr/testify v1.8.2
+	github.com/stretchr/testify v1.9.0
 	github.com/tendermint/tendermint v0.34.28
 	go.uber.org/zap v1.23.0
 	golang.org/x/sync v0.1.0