chore(deps): bump github.com/stretchr/testify from 1.7.0 to 1.8.1

[dependabot[bot]]

Bumps github.com/stretchr/testify from 1.7.0 to 1.8.1.

Commits

• b747d7c Bump github.com/stretchr/objx from 0.4.0 to 0.5.0 (#1283)
• 181cea6 impr: CallerInfo should print full paths to the terminal (#1201)
• cf1284f Allow mock expectations to be ordered (#1106)
• 66eef0e fix: assert.MapSubset (or just support maps in assert.Subset) (#1178)
• 2fab6df Add WithinTimeRange method (#1188)
• b5ce165 fixing panic in calls to assertion with nil m.mutex (#1212)
• c206b2e Mock can be deadlocked by a panic (#1157)
• 1b73601 suite: correctly set stats on test panic (#1195)
• ba1076d Add .Unset method to mock (#982)
• c31ea03 Support comparing byte slice (#1202)
• Additional commits viewable in compare view

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[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
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No Coverage information
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[codecov[bot]]

Codecov Report

Base: 55.46% // Head: 55.46% // No change to project coverage :thumbsup:

Coverage data is based on head (bcafe65) compared to base (98ccd3d). Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #477 +/- ## ======================================= Coverage 55.46% 55.46% ======================================= Files 41 41 Lines 4504 4504 ======================================= Hits 2498 2498 Misses 1813 1813 Partials 193 193 ``` | [Impacted Files](https://codecov.io/gh/argoproj/gitops-engine/pull/477?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=argoproj) | Coverage Δ | | |---|---|---| | [pkg/cache/cluster.go](https://codecov.io/gh/argoproj/gitops-engine/pull/477/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=argoproj#diff-cGtnL2NhY2hlL2NsdXN0ZXIuZ28=) | `54.86% <0.00%> (ø)` | | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=argoproj). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=argoproj)

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[dependabot[bot]]

Superseded by #511.