Merge branch 'integration_2023_w19' into 'develop'

List of Merge Requests as discussed during OAI dev meeting 2023/05/11.

* MR 2059: Bugfix: to properly handle multiple NR_RLC_BearerConfig with the same logicalChannelIdentity, without having duplicate data in UE context
* MR 2072: Clean-up of UE RRC structures
* MR 2084: added msg-q threading options (and CPU thread pinning) from O-RAN 7.2 branch
* MR 2098: harmonization of physicalCellGroupConfig
* MR 2099: modification of get_samplerate_and_bw(): add break where needed
* MR 2104: Fix segmentation fault in ue_context_setup_request()
* Hot fix to support PDU session in IPv4v6