chore(deps): update module github.com/stretchr/testify to v1.8.4

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
github.com/stretchr/testify	require	patch	v1.8.3 -> v1.8.4

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Release Notes

stretchr/testify

### [`v1.8.4`](https://togithub.com/stretchr/testify/compare/v1.8.3...v1.8.4) [Compare Source](https://togithub.com/stretchr/testify/compare/v1.8.3...v1.8.4)

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[dpebot]

/gcbrun

[dpebot]

/gcbrun