Migrated most asertion methods to use `github.com/atomicgo/assert`

[codecov[bot]]

Codecov Report

Base: 87.04% // Head: 86.97% // Decreases project coverage by -0.07% :warning:

Coverage data is based on head (e60da62) compared to base (304bcb0). Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #192 +/- ## ========================================== - Coverage 87.04% 86.97% -0.08% ========================================== Files 10 10 Lines 741 737 -4 ========================================== - Hits 645 641 -4 Misses 58 58 Partials 38 38 ``` | [Impacted Files](https://codecov.io/gh/MarvinJWendt/testza/pull/192?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Marvin+Wendt) | Coverage Δ | | |---|---|---| | [assert.go](https://codecov.io/gh/MarvinJWendt/testza/pull/192/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Marvin+Wendt#diff-YXNzZXJ0Lmdv) | `95.25% <100.00%> (-0.06%)` | :arrow_down: | 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=Marvin+Wendt). 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=Marvin+Wendt)

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