fix(deps): Update module github.com/stretchr/testify to v1.8.0 (#406)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [github.com/stretchr/testify](https://togithub.com/stretchr/testify) | require | minor | `v1.7.5` -> `v1.8.0` |

---

### Release Notes

<details>
<summary>stretchr/testify</summary>

### [`v1.8.0`](https://togithub.com/stretchr/testify/compare/v1.7.5...v1.8.0)

[Compare Source](https://togithub.com/stretchr/testify/compare/v1.7.5...v1.8.0)

</details>

---

### Configuration

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🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, click this checkbox.

---

This PR has been generated by [Renovate Bot](https://togithub.com/renovatebot/renovate).

go.mod

@@ -31,7 +31,7 @@ require (
 	github.com/segmentio/stats/v4 v4.6.3
 	github.com/spf13/afero v1.8.2
 	github.com/spf13/cast v1.5.0
-	github.com/stretchr/testify v1.7.5
+	github.com/stretchr/testify v1.8.0
 	github.com/thoas/go-funk v0.9.2
 	github.com/vmihailenco/msgpack/v5 v5.3.5
 	github.com/xo/dburl v0.11.0

go.sum

@@ -1148,8 +1148,8 @@ github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.2/go.mod h1:R6va5+xMeoiuVRoj+gSkQ7d3FALtqAAGI1FQKckRals=
-github.com/stretchr/testify v1.7.5 h1:s5PTfem8p8EbKQOctVV53k6jCJt3UX4IEJzwh+C324Q=
-github.com/stretchr/testify v1.7.5/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PKk=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
 github.com/syndtr/gocapability v0.0.0-20170704070218-db04d3cc01c8/go.mod h1:hkRG7XYTFWNJGYcbNJQlaLq0fg1yr4J4t/NcTQtrfww=
 github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2/go.mod h1:hkRG7XYTFWNJGYcbNJQlaLq0fg1yr4J4t/NcTQtrfww=