Mission: E2 updates with first E2APv2.0 support and improvements in subscription interface in xapp frameworks.

Original primary goals: TODO

Planned F release highlights

Status 2022-05-05: From the 28 epics planned (link) we implemented 16 3 (link). 13 4 items have been moved out of the E F release, e.g, because of implementation delays (link). Incomplete items: 0 21 (link). Additionally we fixed 17 bugs and small implementation tasks (link)

F release source code, container images and deployment instructions

Code coverage: Code coverage reports (current coverage and list of components that need to set up Jenkins job for auto-generation of the reports as part of CI)