Bump CPS to 3.5.2 Snapshot

- bump CPS to 3.5.2-SNAPSHOT
- updated the release notes and prepared for the next release

Issue-ID: CPS-2318
Change-Id: I584faf6218e60ad62e32ef8c3cb0deb4047149a2
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>
26 files changed