Add 4.11.0 release notes

Add 4.11.0 release notes

Author: smcvb

docs/reference/modules/ROOT/pages/release-notes.adoc

@@ -4,6 +4,12 @@
 You can find the release notes for the MultiTenancy Extension of version 4.10.0 below.
 For earlier releases, please go to the link:https://legacydocs.axoniq.io/reference-guide/release-notes/rn-extensions/rn-multi-tenancy[legacy documentation].
 
+== Release 4.11.0
+
+Upgrades the Multi-Tenancy Extension to be compatible with Axon Framework 4.11.0, and updates various dependencies.
+
+See the link:https://github.com/AxonFramework/extension-multitenancy/releases/tag/axon-multi-tenancy-4.11.0[GitHub release notes] for an exhaustive list of all changes.
+
 == Release 4.10.0
 
 Implements support for Persistent Streams, the new feature introduced in Axon Framework 4.10.0 in combination with Axon Server.