chore(deps): update dependency golang to v1.21.1

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
golang	patch	1.21.0 -> 1.21.1

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Release Notes

golang/go (golang)

### [`v1.21.1`](https://togithub.com/golang/go/compare/go1.21.0...go1.21.1) [Compare Source](https://togithub.com/golang/go/compare/go1.21.0...go1.21.1)

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Configuration

📅 Schedule: Branch creation - "before 4am on the first day of the month" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ 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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[codecov[bot]]

Codecov Report

All modified lines are covered by tests :white_check_mark:

Comparison is base (4ba0897) 75.24% compared to head (f5b2d48) 75.24%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #107 +/- ## ======================================= Coverage 75.24% 75.24% ======================================= Files 7 7 Lines 707 707 ======================================= Hits 532 532 Misses 130 130 Partials 45 45 ```

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[karlderkaefer]

:tada: This PR is included in version 2.5.3 :tada:

The release is available on GitHub release

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