integration_2023_w27

• !2163 (merged) CI: use same Ping functionality everywhere
• !2173 (merged) Remove RFSIMULATOR environment variable; rename two env vars, add one; documentation
• !2205 (merged) Add support for NR band n48
• !2211 (merged) Fix bug
• !2213 (merged) CI: AW2S pipeline - disable retransmissions check
• !2133 (merged) Add E2 agent
• !2208 (merged) Bugfix when deleting a SDAP entity
• !2195 (merged) remove redundant copies of pdu sessions list
• !2174 (merged) Refactor CMakeLists.txt
• !2167 (merged) CI: Creation of pipeline for OAIUE testing
• !2165 (merged) improvements in CI config files