Merge branch 'integration_2022_wk18' into 'develop'

integration_2022_wk18

See merge request oai/openairinterface5g!1545

Merged MRs:
- MR !1484 NR 20 MHz with LTE raster on AW2S Jaguar
- MR !1499 Handle RRC processing time at gNB
- MR !1511 NR UE memory leak fixes
- MR !1523 Avoid gNB to exit when UE release or becomes out of coverage
- MR !1533 Code and CI fixes
- MR !1536 feat(ci): add script to properly flatten the target images
- MR !1537 Fix for OAI UE AUTH_REQ processing additional check for RAND value
- MR !1543 x2 nsa bug at socket establishment