[pgadmin-org/pgadmin4] 910494: Update release note

[Akshay Joshi]

  Branch: refs/heads/master
  Home:   https://github.com/pgadmin-org/pgadmin4
  Commit: 91049445dd445bf4e10b79d52b685752a4e3ed67
      
https://github.com/pgadmin-org/pgadmin4/commit/91049445dd445bf4e10b79d52b685752a4e3ed67
  Author: Akshay Joshi <akshay.jo...@enterprisedb.com>
  Date:   2023-01-19 (Thu, 19 Jan 2023)

  Changed paths:
    M docs/en_US/release_notes_6_20.rst

  Log Message:
  -----------
  Update release note