Update module github.com/stretchr/testify to v1.8.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
github.com/stretchr/testify	require	minor	v1.7.2 -> v1.8.0

---

Release Notes

stretchr/testify

### [`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) ### [`v1.7.5`](https://togithub.com/stretchr/testify/compare/v1.7.4...v1.7.5) [Compare Source](https://togithub.com/stretchr/testify/compare/v1.7.4...v1.7.5) ### [`v1.7.4`](https://togithub.com/stretchr/testify/compare/v1.7.3...v1.7.4) [Compare Source](https://togithub.com/stretchr/testify/compare/v1.7.3...v1.7.4) ### [`v1.7.3`](https://togithub.com/stretchr/testify/compare/v1.7.2...v1.7.3) [Compare Source](https://togithub.com/stretchr/testify/compare/v1.7.2...v1.7.3)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 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.

---

• [ ] If you want to rebase/retry this PR, click this checkbox.

---

This PR has been generated by Mend Renovate. View repository job log here.