fix: update actions/checkout action to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v3 -> v4

---

Release Notes

actions/checkout (actions/checkout)

v4

Compare Source

• Support fetching without the --progress option
• Update to node20

---

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

All modified and coverable lines are covered by tests ✅

Comparison is base (56921aa) 95.45% compared to head (00cc406) 95.45%.
Report is 1 commits behind head on master.

❗ Current head 00cc406 differs from pull request most recent head b6e8de0. Consider uploading reports for the commit b6e8de0 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #121   +/-   ##
=======================================
  Coverage   95.45%   95.45%           
=======================================
  Files           1        1           
  Lines          44       44           
=======================================
  Hits           42       42           
  Misses          2        2           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[renovate]

Edited/Blocked Notification

Renovate will not automatically rebase this PR, because it does not recognize the last commit author and assumes somebody else may have edited the PR.

You can manually request rebase by checking the rebase/retry box above.

⚠️ Warning: custom changes will be lost.