comms/grig: update to grig to work with hamlib 4

• switch to fillods git

[git log]
commit 77ab785dcdd09a75f7108d9c92b5fa2415fb3e05
Author: Stephane Fillod <fillods@users.sf.net>
Date: Sat Mar 13 09:55:18 2021 +0100

Misc l10n update

commit 97c2ff30e9a4f6eec915a688bc47a01e5dbf99bf
Author: Stephane Fillod <fillods@users.sf.net>
Date: Fri Mar 12 21:55:35 2021 +0100

Align with Hamlib 4.x

commit 7498b7c875e8b86ad6b05a967432e6ab9c1f0361
Author: Stephane Fillod <fillods@users.sf.net>
Date: Sun Dec 20 21:13:09 2015 +0000