[GNC] Repackaged GnuCash 5.11 for macOS

[John Ralls]

Fixes https://bugs.gnucash.org/show_bug.cgi?id=799583
ShaSums: 

    • 5e05eeb1f6cf36a90d7309429361a420976fc61e92c7dc983b41662d6a2791b1  Gnucash-Arm-5.11-2.dmg
    • f138b2d5f9f8646ad774457988ea0c0cbcb7a81c779c59e06282c03f6c283741  Gnucash-Intel-5.11-2.dmg

Downloads:
    https://downloads.sourceforge.net/gnucash/gnucash%20%28stable%29/5.11/Gnucash-Arm-5.11-2.dmg
    https://downloads.sourceforge.net/gnucash/gnucash%20%28stable%29/5.11/Gnucash-Intel-5.11-2.dmg
    https://github.com/Gnucash/gnucash/releases/download/5.11/Gnucash-Arm-5.11-2.dmg
    https://github.com/Gnucash/gnucash/releases/download/5.11/Gnucash-Intel-5.11-2.dmg

Regards,
John Ralls