Update release notes.

Author: khushboovashi

docs/en_US/release_notes_9_11.rst

@@ -36,3 +36,4 @@ Bug fixes
   | `Issue #9297 <https://github.com/pgadmin-org/pgadmin4/issues/9297>`_ -  Fixed an issue where EXPLAIN should run on query under cursor if no text is selected.
   | `Issue #9351 <https://github.com/pgadmin-org/pgadmin4/issues/9351>`_ -  Fixed an issue where opening file in Query Tool does not retain file name in tab.
   | `Issue #9354 <https://github.com/pgadmin-org/pgadmin4/issues/9354>`_ -  Fixed an issue where connection is failing via Query Tool/PSQL Tool workspaces.
+  | `Issue #9393 <https://github.com/pgadmin-org/pgadmin4/issues/9393>`_ -  Fixed the Helm chart server definition and changed the app version.