chore(deps): update docker.elastic.co/logstash/logstash docker tag to v8.12.2

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
docker.elastic.co/logstash/logstash	minor	8.11.4 -> 8.12.2

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Release Notes

elastic/logstash (docker.elastic.co/logstash/logstash)

### [`v8.12.2`](https://togithub.com/elastic/logstash/releases/tag/v8.12.2): Logstash 8.12.2 [Compare Source](https://togithub.com/elastic/logstash/compare/v8.12.1...v8.12.2) Downloads: https://elastic.co/downloads/logstash Release notes: https://www.elastic.co/guide/en/logstash/8.12/logstash-8-12-2.html ### [`v8.12.1`](https://togithub.com/elastic/logstash/releases/tag/v8.12.1): Logstash 8.12.1 [Compare Source](https://togithub.com/elastic/logstash/compare/v8.12.0...v8.12.1) Downloads: https://elastic.co/downloads/logstash Release notes: https://www.elastic.co/guide/en/logstash/8.12/logstash-8-12-1.html ### [`v8.12.0`](https://togithub.com/elastic/logstash/releases/tag/v8.12.0): Logstash 8.12.0 [Compare Source](https://togithub.com/elastic/logstash/compare/v8.11.4...v8.12.0) Downloads: https://elastic.co/downloads/logstash Release notes: https://www.elastic.co/guide/en/logstash/8.12/logstash-8-12-0.html

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