Update the requirement R-10087to support to PNF onboarding package artifacts on Dublin release.

Proposed change:

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Requirement: R-10087

target: VNF/PNF

keyword: MUST

introduced: Dublin

The VNF/PNF package MUST contain all standard artifacts as specified in ETSI GS NFV-SOL004 including Manifest file, VNFD/PNFD (or Main TOSCA/YAML based Service Template) and other optional artifacts. CSAR Manifest file as per SOL004 - for example ROOT\ MainServiceTemplate.mf

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