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

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
golang.org/x/mod	v0.12.0 -> v0.21.0

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.89%. Comparing base (ecc7efe) to head (680557f).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #106   +/-   ##
=======================================
  Coverage   75.89%   75.89%           
=======================================
  Files          12       12           
  Lines         307      307           
=======================================
  Hits          233      233           
  Misses         65       65           
  Partials        9        9           

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[renovate]

ℹ Artifact update notice

File name: go.mod

In order to perform the update(s) described in the table above, Renovate ran the go get command, which resulted in the following additional change(s):

• The go directive was updated for compatibility reasons

Details:

Package	Change
go	1.19 -> 1.23.1