Update Implementation Guide Da Vinci Payer Data Exchange (PDex) 2.0.0 ballot (Feb 20 revision)

[sfc42]

Is your feature request related to a problem? Please describe.
Update the PDex IG to the February 20th revision.

Describe the solution you'd like
The PDex IG will be the February 20th version .

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Acceptance Criteria

1. GIVEN [a precondition]
   AND [another precondition]
   WHEN [test step]
   AND [test step]
   THEN [verification step]
   AND [verification step]

Additional context
Add any other context or screenshots about the feature request here.