* Features
- Support YAML configuration file
* Yaml validation default value
- SessionManagementSubscriptionData GET ALL and DELETE apis
- Session management subscription DATA PUT api new
- UDR configuration APIs
- Added support for MongoDB database choice
- Added option to configure database port
* Fixes
- Fixed hardcoded HTTP/2 port
- Added missing HTTP2 for Authentication Data and Session Management Subscription Data
* Tech debt
- Updated common models to 3GPP TS 29.571 Release 16.13.0 and moved them to the shared common submodule
- Switching to clang-format-12
- Published image on Docker-Hub is using now Ubuntu-22 as base image
* Ubuntu-18 is no longer supported