Update version to v3.6.0 for invoice test on PURAP workflow
Update requirement to Framework v2.7.1

Needed for invoice current items line fix.
Update requirements to OLE QA Tools 0.5.3

This version is needed for Invoice URLs.
Update requirements to OLE QA Framework v2.7.2

This version is needed for Invoice messages support.
Create Invoice test in PURAP Workflow script

- Invoice test will require updating once OLE-5192 is resolved.