[8.10] [DOCS] Adds 8.10.3 release notes (#168261) (#168268)

# Backport

This will backport the following commits from `main` to `8.10`:
- [[DOCS] Adds 8.10.3 release notes
(#168261)](#168261)

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

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

<!--BACKPORT
[{"author":{"name":"amyjtechwriter","email":"[email protected]"},"sourceCommit":{"committedDate":"2023-10-06T16:32:57Z","message":"[DOCS]
Adds 8.10.3 release notes (#168261)\n\n## Summary\r\n\r\nAdds the 8.10.3
release
notes.","sha":"34157b390580a667b0b0d90dc9a49360c2a84d9e","branchLabelMapping":{"^v8.12.0$":"main","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["Team:Docs","release_note:skip","docs","v8.11.0","v8.10.3","v8.12.0","v8.10.4"],"number":168261,"url":"https://github.com/elastic/kibana/pull/168261","mergeCommit":{"message":"[DOCS]
Adds 8.10.3 release notes (#168261)\n\n## Summary\r\n\r\nAdds the 8.10.3
release
notes.","sha":"34157b390580a667b0b0d90dc9a49360c2a84d9e"}},"sourceBranch":"main","suggestedTargetBranches":["8.11","8.10"],"targetPullRequestStates":[{"branch":"8.11","label":"v8.11.0","labelRegex":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"},{"branch":"8.10","label":"v8.10.3","labelRegex":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"},{"branch":"main","label":"v8.12.0","labelRegex":"^v8.12.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/168261","number":168261,"mergeCommit":{"message":"[DOCS]
Adds 8.10.3 release notes (#168261)\n\n## Summary\r\n\r\nAdds the 8.10.3
release notes.","sha":"34157b390580a667b0b0d90dc9a49360c2a84d9e"}}]}]
BACKPORT-->

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

docs/CHANGELOG.asciidoc

@@ -10,6 +10,7 @@
 
 Review important information about the {kib} 8.x releases.
 
+* <<release-notes-8.10.3>>
 * <<release-notes-8.10.2>>
 * <<release-notes-8.10.1>>
 * <<release-notes-8.10.0>>
@@ -50,6 +51,41 @@ Review important information about the {kib} 8.x releases.
 * <<release-notes-8.0.0-alpha1>>
 
 --
+[[release-notes-8.10.3]]
+== {kib} 8.10.3
+
+The 8.10.3 release includes the following bug fixes.
+
+[float]
+[[enhancement-v8.10.3]]
+=== Enhancements
+Elastic Security::
+For the Elastic Security 8.10.3 release information, refer to {security-guide}/release-notes.html[_Elastic Security Solution Release Notes_].
+
+[float]
+[[fixes-v8.10.3]]
+=== Bug Fixes
+Dashboard::
+* Fixes an error the panel descriptions weren't retrieved from the right method ({kibana-pull}166825[#166825]).
+Discover::
+* Soften saved search content management response `sort` schema ({kibana-pull}166886[#166886]).
+Elastic Security::
+For the Elastic Security 8.10.3 release information, refer to {security-guide}/release-notes.html[_Elastic Security Solution Release Notes_].
+Enterprise Search::
+For the Elastic Enterprise Search 8.10.3 release information, refer to {enterprise-search-ref}/changelog.html[_Elastic Enterprise Search Documentation Release notes_].
+Fleet::
+* Fixes incorrect index template used from the data stream name ({kibana-pull}166941[#166941]).
+* Increase package install max timeout limit and add concurrency control to rollovers ({kibana-pull}166775[#166775]).
+* Fixes bulk action dropdown ({kibana-pull}166475[#166475]).
+Machine Learning::
+* AIOps: Fixes render loop when using a saved search ({kibana-pull}166934[#166934]).
+Monitoring::
+* Convert node roles into array ({kibana-pull}167628[#167628]).
+Observability::
+* Fixes a set up process error in Universal Profiling ({kibana-pull}167068[#167068]).
+Uptime::
+* Fixes an error when updating browser monitor in a project ({kibana-pull}168064[#168064]).
+
 [[release-notes-8.10.2]]
 == {kib} 8.10.2