Update docker.elastic.co/kibana/kibana Docker tag to v8.18.1

[renovate]

This PR contains the following updates:

Package	Update	Change
docker.elastic.co/kibana/kibana (source)	patch	8.18.0 -> 8.18.1

---

Release Notes

elastic/kibana (docker.elastic.co/kibana/kibana)

v8.18.1: Kibana 8.18.1

Compare Source

Downloads: https://elastic.co/downloads/kibana
Release notes: https://www.elastic.co/guide/en/kibana/8.18/release-notes-8.18.1.html

---

Configuration

📅 Schedule: Branch creation - "after 10pm every weekday,every weekend,before 5am every weekday" in timezone Europe/Paris, 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 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 65.61%. Comparing base (0072b8a) to head (5577106).
Report is 7 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #10994      +/-   ##
==========================================
+ Coverage   65.59%   65.61%   +0.01%     
==========================================
  Files         674      674              
  Lines       67138    67138              
  Branches     7408     7416       +8     
==========================================
+ Hits        44039    44051      +12     
+ Misses      23099    23087      -12     

☔ View full report in Codecov by Sentry.
📢 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.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.