Merge branch 'Rel18_TS28.623_Rename_attributes_for_5GC_UE_level_measurement'...

Merge branch 'Rel18_TS28.623_Rename_attributes_for_5GC_UE_level_measurement' into 'Integration_Rel18_SA5_156_YANG'

Rel18 TS28.623 CR0376 rename attributes for 5GC UE level measurement

See merge request !1211