[8.12] 8.11.2 Release notes (backport #4376) (#4414)

Co-authored-by: Janeen Mikell Roberts <[email protected]>
Co-authored-by: Nastasha Solomon <[email protected]>

docs/release-notes.asciidoc

@@ -3,6 +3,7 @@
 
 This section summarizes the changes in each release.
 
+* <<release-notes-8.11.2, {elastic-sec} version 8.11.2>>
 * <<release-notes-8.11.1, {elastic-sec} version 8.11.1>>
 * <<release-notes-8.11.0, {elastic-sec} version 8.11.0>>
 * <<release-notes-8.10.4, {elastic-sec} version 8.10.4>>

docs/release-notes/8.11.asciidoc

@@ -1,6 +1,23 @@
 [[release-notes-header-8.11.0]]
 == 8.11
 
+[discrete]
+[[release-notes-8.11.2]]
+=== 8.11.2
+
+[discrete]
+[[enhancements-8.11.2]]
+==== Enhancements
+* Updates references on the Entity Risk Score management page ({pull}171089[#171089]).
+
+[discrete]
+[[bug-fixes-8.11.2]]
+==== Bug fixes
+* Fixes a bug that caused the Alerts page to crash if you reloaded it while the preview panel in the alert details flyout was open ({pull}172323[#172323]).
+* Fixes the event analyzer panel width ({pull}172026[#172026]).
+* Applies page filters to MITRE ATT&CK® sub-technique cells when displaying rules ({pull}170988[#170988]).
+* Fixes a bug with the **Investigate in timeline** action for Elastic AI Assistant that caused {esql} queries to open in the KQL query bar within Timeline ({pull}170542[#170542]).
+
 [discrete]
 [[release-notes-8.11.1]]
 === 8.11.1