build(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	v1.8.1 -> v1.8.4

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Release Notes

stretchr/testify (github.com/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) ### [`v1.8.3`](https://togithub.com/stretchr/testify/compare/v1.8.2...v1.8.3) [Compare Source](https://togithub.com/stretchr/testify/compare/v1.8.2...v1.8.3) ### [`v1.8.2`](https://togithub.com/stretchr/testify/compare/v1.8.1...v1.8.2) [Compare Source](https://togithub.com/stretchr/testify/compare/v1.8.1...v1.8.2)

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Configuration

📅 Schedule: Branch creation - "after 10pm on Wednesday,before 8am on Thursday" in timezone Europe/Vienna, 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.

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• [ ] If you want to rebase/retry this PR, check this box

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Test Results

130 tests   118 :heavy_check_mark:  2s :stopwatch:   13 suites    12 :zzz:     1 files        0 :x:

Results for commit 75e5e4fb.

:recycle: This comment has been updated with latest results.

[github-actions[bot]]

The following Docker Images have been built:

• keptncontrib/job-executor-service:0.3.1-dev-PR-372,keptncontrib/job-executor-service:0.3.1-dev-PR-372.202306061128
• keptncontrib/job-executor-service-initcontainer:0.3.1-dev-PR-372,keptncontrib/job-executor-service-initcontainer:0.3.1-dev-PR-372.202306061128