[Openid-specs-risc] [openid/sharedsignals] a571fe: Added 409 error description in the table

[Apoorva Deshpande]

  Branch: refs/heads/tc-46-streamexists
  Home:   https://github.com/openid/sharedsignals
  Commit: a571feff246f2c550fa1eb08891782499bd1e6d0
      https://github.com/openid/sharedsignals/commit/a571feff246f2c550fa1eb08891782499bd1e6d0
  Author: Apoorva Deshpande <apps.desh at gmail.com>
  Date:   2023-08-01 (Tue, 01 Aug 2023)

  Changed paths:
    M openid-sharedsignals-framework-1_0.md

  Log Message:
  -----------
  Added 409 error description in the table

Added error description in the table