Update CPS version from 3.0.0 to 3.1.0

- Updated cps.version to 3.1.0 in pom.xml
- Updated stable cps core version in CSIT setup script

Issue-ID: CPS-1285
Change-Id: If4b36daf5552305c4b5d7c936017d89774553509
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>
2 files changed