chore(deps): upgrade actions/checkout to v3

[legendecas]

Which problem is this PR solving?

Supercedes #2840

Type of change

• Upgrading deps.

Checklist:

• Followed the style guidelines of this project

[codecov]

Codecov Report

Merging #2979 (42c3442) into main (ba3e320) will not change coverage.
The diff coverage is n/a.

❗ Current head 42c3442 differs from pull request most recent head 3dd3c2e. Consider uploading reports for the commit 3dd3c2e to get more accurate results

@@           Coverage Diff           @@
##             main    #2979   +/-   ##
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  Coverage   92.71%   92.71%           
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  Files         183      183           
  Lines        6134     6134           
  Branches     1299     1299           
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  Hits         5687     5687           
  Misses        447      447