Update module golang.org/x/sys to v0.21.0

[renovate]

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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Configuration

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

🚦 Automerge: Enabled.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.15%. Comparing base (933fb10) to head (2b65922).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #400   +/-   ##
=======================================
  Coverage   68.15%   68.15%           
=======================================
  Files          43       43           
  Lines        2352     2352           
=======================================
  Hits         1603     1603           
  Misses        582      582           
  Partials      167      167           

Flag	Coverage Δ
go	68.15% <ø> (ø)
wasm	27.89% <ø> (ø)

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