Release notes for 8.19.10, 9.1.10, 9.2.4

[charlotte-hoblik]

Create release notes for:

• 8.19.10:
  • Search team issue: https://github.com/elastic/search-team/issues/12222
  • Docs team issue: https://github.com/elastic/dev/issues/3408
• 9.1.10:
  • Search team issue: https://github.com/elastic/search-team/issues/12280
  • Docs team issue:
• 9.2.4:
  • Search team issue: https://github.com/elastic/search-team/issues/12219
  • Docs team issue:

Deadline: 2026.01.13

Products:

• Elasticsearch:

• Enterprise search:

• Connectors:

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• create backports: