[main] [DOCS] Adds the release notes for 8.10.0 (#165077) (#166331)

# Backport

Adds the following commits to `main`:
- [[DOCS] Adds the release notes for 8.10.0
(#165077)](#165077)
- [[8.10] [DOCS] Fix 8.10 RNs
(#166316)](#166316)

<!--- Backport version: 8.9.7 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

<!--BACKPORT
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Adds the release notes for 8.10.0 (#165077)\n\nAdds the release notes
for 8.10.0.\r\n\r\n---------\r\n\r\nCo-authored-by: lcawl
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Adds the release notes for 8.10.0 (#165077)\n\nAdds the release notes
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[DOCS] Adds the release notes for 8.10.0 (#165077) (#166304)\n\n#
Backport\n\nThis will backport the following commits from `main` to
`8.10`:\n- [[DOCS] Adds the release notes for
8.10.0\n(#165077)](https://github.com/elastic/kibana/pull/165077)\n\nCo-authored-by:
amyjtechwriter
<[email protected]>"}},{"branch":"main","label":"v8.11.0","labelRegex":"^v8.11.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/165077","number":165077,"mergeCommit":{"message":"[DOCS]
Adds the release notes for 8.10.0 (#165077)\n\nAdds the release notes
for 8.10.0.\r\n\r\n---------\r\n\r\nCo-authored-by: lcawl
<[email protected]>","sha":"162a95938bea9f9b848f16213d1dd9425df96f12"}}]}]
BACKPORT-->

---------

Co-authored-by: amyjtechwriter <[email protected]>