chore(deps): update actions/checkout action to v4

[renovate]

This PR contains the following updates:

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

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Release Notes

actions/checkout (actions/checkout)

v4

Compare Source

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

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[deepsource-io]

Here's the code health analysis summary for commits 172011a..5f0fefb. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
Docker	✅ Success		View Check ↗
JavaScript	✅ Success		View Check ↗
Secrets	✅ Success		View Check ↗
SQL	✅ Success		View Check ↗
Test coverage	⚠️ Artifact not reported	Timed out: Artifact was never reported	View Check ↗

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[codescene-delta-analysis]

✅ Code Health Quality Gates: OK

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