[Doc] Release notes for v8.4.1 (#89636) (#89726)

* [Doc] Release notes for v8.4.1

Gradle generated release notes for v8.4.1

* address feedback

Co-authored-by: Yang Wang <yang.wang@elastic.co>

docs/reference/migration/migrate_8_4.asciidoc

@@ -9,9 +9,6 @@ your application to {es} 8.4.
 
 See also <<release-highlights>> and <<es-release-notes>>.
 
-coming::[8.4.0]
-
-
 [discrete]
 [[breaking-changes-8.4]]
 === Breaking changes

docs/reference/release-notes.asciidoc

@@ -6,6 +6,7 @@
 
 This section summarizes the changes in each release.
 
+* <<release-notes-8.4.1>>
 * <<release-notes-8.4.0>>
 * <<release-notes-8.3.3>>
 * <<release-notes-8.3.2>>
@@ -29,6 +30,7 @@ This section summarizes the changes in each release.
 
 --
 
+include::release-notes/8.4.1.asciidoc[]
 include::release-notes/8.4.0.asciidoc[]
 include::release-notes/8.3.3.asciidoc[]
 include::release-notes/8.3.2.asciidoc[]

docs/reference/release-notes/8.4.1.asciidoc

@@ -0,0 +1,15 @@
+[[release-notes-8.4.1]]
+== {es} version 8.4.1
+
+coming[8.4.1]
+
+Also see <<breaking-changes-8.4,Breaking changes in 8.4>>.
+
+[[bug-8.4.1]]
+[float]
+=== Bug fixes
+
+Machine Learning::
+* [ML] Validate trained model deployment `queue_capacity` limit {es-pull}89611[#89611] (issue: {es-issue}89555[#89555])
+
+