Added GC known issue (#102663)

docs/reference/release-notes/8.11.1.asciidoc

@@ -3,6 +3,11 @@
 
 Also see <<breaking-changes-8.11,Breaking changes in 8.11>>.
 
+[[known-issues-8.11.1]]
+[float]
+=== Known issues
+include::8.10.3.asciidoc[tag=no-preventive-gc-issue]
+
 [[bug-8.11.1]]
 [float]
 === Bug fixes