8.19.4 release notes (#7064)

* 8.19.4 release notes

* Add Endpoint notes

Author: natasha-moore-elastic

docs/release-notes.asciidoc

@@ -3,6 +3,7 @@
 
 This section summarizes the changes in each release.
 
+* <<release-notes-8.19.4, {elastic-sec} version 8.19.4>>
 * <<release-notes-8.19.3, {elastic-sec} version 8.19.3>>
 * <<release-notes-8.19.2, {elastic-sec} version 8.19.2>>
 * <<release-notes-8.19.1, {elastic-sec} version 8.19.1>>

docs/release-notes/8.19.asciidoc

@@ -1,6 +1,17 @@
 [[release-notes-header-8.19.0]]
 == 8.19
 
+[discrete]
+[[release-notes-8.19.4]]
+=== 8.19.4
+
+[discrete]
+[[bug-fixes-8.19.4]]
+==== Fixes
+* Fixes a bug where the toggle column functionality only functioned on the **Alerts** page ({kibana-pull}234278[#234278]).
+* Fixes a bug where Linux capabilities were included in {elastic-endpoint} network events despite being disabled.
+* Makes the delivery of {elastic-endpoint} command line commands more robust. In rare cases, commands could previously fail due to interprocess communication issues.
+
 [discrete]
 [[release-notes-8.19.3]]
 === 8.19.3