Update slf4j monorepo to v2.0.18

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
org.slf4j:slf4j-simple (source, changelog)	2.0.12 → 2.0.18
org.slf4j:slf4j-api (source, changelog)	2.0.12 → 2.0.18

---

Configuration

📅 Schedule: (UTC)

• 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 these updates again.

---

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

---

This PR was generated by Mend Renovate. View the repository job log.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (9684ed9) to head (fcc4e93).

Additional details and impacted files

@@             Coverage Diff             @@
##              master      #133   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
  Complexity        10        10           
===========================================
  Files              3         3           
  Lines             35        35           
===========================================
  Hits              35        35           

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

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.