Release notes and documentation updates for 3.5.4

- Release notes update
- Update openapi info.version to 3.5.4
- Update scheduled-tasks docs to reflect changes in retry mechanism
- Update deployment docs to update configurable timer parameters
- Remove unused locked-module-sync.sleep-time-ms

Issue-ID: CPS-2457
Signed-off-by: danielhanrahan <daniel.hanrahan@est.tech>
Change-Id: Ieb559bbfe348848c4b8669410861edfeeb6c9bf3
diff --git a/docs/release-notes.rst b/docs/release-notes.rst
index 9c08356..bc267a1 100644
--- a/docs/release-notes.rst
+++ b/docs/release-notes.rst
@@ -39,12 +39,14 @@
 Bug Fixes
 ---------
 3.5.4
+    - `CPS-2403 <https://lf-onap.atlassian.net/browse/CPS-2403>`_ Improve lock handling and queue management during CM-handle Module Sync.
 
 Features
 --------
 3.5.4
     - `CPS-2408 <https://lf-onap.atlassian.net/browse/CPS-2408>`_ One Hazelcast instance per JVM to manage the distributed data structures.
 
+
 Version: 3.5.3
 ==============