fix(deps): update module golang.org/x/sys to v0.21.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
golang.org/x/sys	v0.20.0 -> v0.21.0

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 50.48%. Comparing base (6d29e10) to head (59c7fcd).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #172 +/- ## ======================================= Coverage 50.48% 50.48% ======================================= Files 67 67 Lines 3207 3207 ======================================= Hits 1619 1619 Misses 1362 1362 Partials 226 226 ```

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