[updatecli] Bump elastic stack version to 8.12.0/8.13.0

[apmmachine]

Bump elastic stack to latest version

Update elastic stack version to 8.12.0

1 file(s) updated with "\"8.12.0\"": * .ci/scripts/common.sh

8.12.0

Release published on the 2024-01-17 15:39:27 +0000 UTC at the url https://github.com/elastic/elasticsearch/releases/tag/v8.12.0

Downloads: https://elastic.co/downloads/elasticsearch
Release notes: https://www.elastic.co/guide/en/elasticsearch/reference/main/release-notes-8.12.0.html

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