[pgadmin-org/pgadmin4] b51240: Update release notes

[Aditya Toshniwal]

  Branch: refs/heads/master
  Home:   https://github.com/pgadmin-org/pgadmin4
  Commit: b512404c851eb054d946f857eb5d11bf23ef528e
      
https://github.com/pgadmin-org/pgadmin4/commit/b512404c851eb054d946f857eb5d11bf23ef528e
  Author: Aditya Toshniwal <aditya.toshni...@enterprisedb.com>
  Date:   2023-10-17 (Tue, 17 Oct 2023)

  Changed paths:
    M docs/en_US/release_notes_7_8.rst

  Log Message:
  -----------
  Update release notes