chore(deps): update actions/checkout action to v5

[renovate]

Note

Mend has cancelled the proposed renaming of the Renovate GitHub app being renamed to mend[bot].

This notice will be removed on 2025-10-07.

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This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v4 -> v5

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Release Notes

actions/checkout (actions/checkout)

v5

Compare Source

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Configuration

📅 Schedule: Branch creation - "after 10pm every weekday,every weekend" in timezone Africa/Lusaka, Automerge - At any time (no schedule defined).

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

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

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.95%. Comparing base (8b1e61b) to head (526e13a).
⚠️ Report is 5 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #144   +/-   ##
=======================================
  Coverage   80.95%   80.95%           
=======================================
  Files           2        2           
  Lines         126      126           
  Branches       10       10           
=======================================
  Hits          102      102           
  Misses         20       20           
  Partials        4        4           

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