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

[renovate]

This PR contains the following updates:

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

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (e8df7c1) 63.62% compared to head (58cbbcd) 63.62%.
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #506   +/-   ##
=======================================
  Coverage   63.62%   63.62%           
=======================================
  Files          33       33           
  Lines        2254     2254           
=======================================
  Hits         1434     1434           
  Misses        724      724           
  Partials       96       96           

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