[DOCS] 8.11.1 release notes (elastic#171087)

The 8.11.1 release notes

docs/CHANGELOG.asciidoc

@@ -10,6 +10,7 @@
 
 Review important information about the {kib} 8.x releases.
 
+* <<release-notes-8.11.1>>
 * <<release-notes-8.11.0>>
 * <<release-notes-8.10.4>>
 * <<release-notes-8.10.3>>
@@ -53,6 +54,28 @@ Review important information about the {kib} 8.x releases.
 * <<release-notes-8.0.0-alpha1>>
 
 --
+
+[[release-notes-8.11.1]]
+== {kib} 8.11.1
+
+The 8.11.1 release includes the following bug fixes.
+
+[float]
+[[fixes-v8.11.1]]
+=== Bug Fixes
+
+Fleet::
+* Fixes inability to upgrade agents from version 8.10.4 to version 8.11 ({kibana-pull}170974[#170974]).
+* Append space ID to security solution tag ({kibana-pull}170789[#170789]).
+* Modify bulk unenroll to include inactive agents ({kibana-pull}170249[#170249]).
+Lens & Visualizations::
+* Fixes error handling for ES|QL nested error messages ({kibana-pull}170005[#170005]).
+Machine Learning::
+* Disable anomaly detection job creation from ES|QL lens visualizations ({kibana-pull}170711[#170711]).
+Presentation::
+* Fixes vector tile layer with joins stuck in loading state when not visible ({kibana-pull}170984[#170984]).
+* Fixes expand layer control is not clickable when layers are loading ({kibana-pull}170912[#170912]).
+
 [[release-notes-8.11.0]]
 == {kib} 8.11.0