fix(deps): update module golang.org/x/sync to v0.13.0 in go.mod

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
golang.org/x/sync	v0.12.0 -> v0.13.0

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.01%. Comparing base (faef66e) to head (e43e29b).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1344   +/-   ##
=======================================
  Coverage   84.01%   84.01%           
=======================================
  Files         170      170           
  Lines        9803     9803           
=======================================
  Hits         8236     8236           
  Misses       1323     1323           
  Partials      244      244           

Flag	Coverage Δ
coraza.rule.case_sensitive_args_keys	83.97% <ø> (ø)
coraza.rule.multiphase_evaluation	83.66% <ø> (ø)
coraza.rule.no_regex_multiline	83.95% <ø> (ø)
default	84.01% <ø> (ø)
examples+	16.50% <ø> (ø)
examples+coraza.rule.case_sensitive_args_keys	83.97% <ø> (ø)
examples+coraza.rule.multiphase_evaluation	83.50% <ø> (ø)
examples+coraza.rule.no_regex_multiline	83.87% <ø> (ø)
examples+memoize_builders	83.98% <ø> (ø)
examples+no_fs_access	81.23% <ø> (ø)
ftw	84.01% <ø> (ø)
memoize_builders	84.11% <ø> (ø)
no_fs_access	83.50% <ø> (ø)
tinygo	83.98% <ø> (ø)

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