chore(deps): update actions/checkout action to v3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v1 -> v3

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Release Notes

actions/checkout

v3

Compare Source

• Fix api endpoint for GHES

v2

Compare Source

• Fix default branch resolution for .wiki and when using SSH

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Configuration

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[codecov]

Codecov Report

Merging #20 (c358202) into main (0fb7169) will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##            main     #20   +/-   ##
=====================================
  Coverage   1.85%   1.85%           
=====================================
  Files          7       7           
  Lines        323     323           
=====================================
  Hits           6       6           
  Misses       317     317           

Flag	Coverage Δ
unittests	1.85% <ø> (ø)

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