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

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v2 -> v3

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Release Notes

actions/checkout

v3

Compare Source

• Add input set-safe-directory

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Configuration

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[codecov]

Codecov Report

Merging #29 (8e87e65) into main (f5da577) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #29   +/-   ##
=======================================
  Coverage   97.95%   97.95%           
=======================================
  Files           5        5           
  Lines         294      294           
=======================================
  Hits          288      288           
  Misses          6        6           

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