Article IX — Ratification: Add ratification date

OSI redefined the ratification section to include the following:

  - Constitution Ratified on: (dates constitution is amended and
    ratified)

This commit adds this clause to the document.

Signed-off-by: Mark Stenglein <mark@stengle.in>
Status Job ID Name Coverage
  Test
passed #2204
compile_pdf

00:04:05