chore(deps): update docker.elastic.co/elasticsearch/elasticsearch docker tag to v8.16.1

[elastic-renovate-prod[bot]]

This PR contains the following updates:

Package	Update	Change
docker.elastic.co/elasticsearch/elasticsearch (source)	patch	8.16.0 -> 8.16.1

---

Release Notes

elastic/elasticsearch (docker.elastic.co/elasticsearch/elasticsearch)

### [`v8.16.1`](https://togithub.com/elastic/elasticsearch/releases/tag/v8.16.1): Elasticsearch 8.16.1 [Compare Source](https://togithub.com/elastic/elasticsearch/compare/v8.16.0...v8.16.1) Downloads: https://elastic.co/downloads/elasticsearch Release notes: https://www.elastic.co/guide/en/elasticsearch/reference/8.16/release-notes-8.16.1.html

---

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 Renovate Bot.