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

---

Release Notes

actions/checkout (actions/checkout)

v3

Compare Source

• Fix: Checkout fail in self-hosted runners when faulty submodule are checked-in
• Fix typos found by codespell
• Add support for sparse checkouts

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.

[codecov]

Codecov Report

Merging #55 (ab8bb08) into main (53ccaba) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #55   +/-   ##
=======================================
  Coverage   92.93%   92.93%           
=======================================
  Files           2        2           
  Lines         184      184           
  Branches       14       14           
=======================================
  Hits          171      171           
  Misses         13       13