Merge branch...

Merge branch 'Rel19_CR_TS28.541_Enhance_the_OpenAPI_related_to_multiplicity_for_NrNRM_and_SliceNRM' into 'Integration_Rel19_SA5_158_YAML'

Rel19 CR1406 28541 enhance multiplicity for NrNRM and SliceNRM

See merge request !1459