build(deps): bump github.com/stretchr/testify from 1.8.4 to 1.9.0

Bumps [github.com/stretchr/testify](https://github.com/stretchr/testify) from 1.8.4 to 1.9.0.
- [Release notes](https://github.com/stretchr/testify/releases)
- [Commits](https://github.com/stretchr/testify/compare/v1.8.4...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] <support@github.com>

vendor/github.com/stretchr/objx/README.md

@@ -4,20 +4,20 @@
 [![Maintainability](https://api.codeclimate.com/v1/badges/1d64bc6c8474c2074f2b/maintainability)](https://codeclimate.com/github/stretchr/objx/maintainability)
 [![Test Coverage](https://api.codeclimate.com/v1/badges/1d64bc6c8474c2074f2b/test_coverage)](https://codeclimate.com/github/stretchr/objx/test_coverage)
 [![Sourcegraph](https://sourcegraph.com/github.com/stretchr/objx/-/badge.svg)](https://sourcegraph.com/github.com/stretchr/objx)
-[![GoDoc](https://godoc.org/github.com/stretchr/objx?status.svg)](https://godoc.org/github.com/stretchr/objx)
+[![GoDoc](https://pkg.go.dev/badge/github.com/stretchr/objx?utm_source=godoc)](https://pkg.go.dev/github.com/stretchr/objx)
 
 Objx - Go package for dealing with maps, slices, JSON and other data.
 
 Get started:
 
 - Install Objx with [one line of code](#installation), or [update it with another](#staying-up-to-date)
-- Check out the API Documentation http://godoc.org/github.com/stretchr/objx
+- Check out the API Documentation http://pkg.go.dev/github.com/stretchr/objx
 
 ## Overview
 Objx provides the `objx.Map` type, which is a `map[string]interface{}` that exposes a powerful `Get` method (among others) that allows you to easily and quickly get access to data within the map, without having to worry too much about type assertions, missing data, default values etc.
 
 ### Pattern
-Objx uses a preditable pattern to make access data from within `map[string]interface{}` easy. Call one of the `objx.` functions to create your `objx.Map` to get going:
+Objx uses a predictable pattern to make access data from within `map[string]interface{}` easy. Call one of the `objx.` functions to create your `objx.Map` to get going:
 
     m, err := objx.FromJSON(json)
 
@@ -74,7 +74,7 @@ To update Objx to the latest version, run:
     go get -u github.com/stretchr/objx
 
 ### Supported go versions
-We support the lastest three major Go versions, which are 1.10, 1.11 and 1.12 at the moment.
+We currently support the three recent major Go versions.
 
 ## Contributing
 Please feel free to submit issues, fork the repository and send pull requests!