Chsnge to OpenApi 3.0

In preparation for the Java 17 and Springboot 3 migrations Swagger Codegen has to upgrade to OpenApi 3.0
This effects cps-rest and cps-ncmp-rest

Issue-Id: CPS-1745

Signed-off-by: egernug <gerard.nugent@est.tech>
Change-Id: I18b8e9ca26d0123009702c2474efbfbeec6d4c44
11 files changed