finance/favagtk: Add missing dependency

- The program requires www/webkit2-gtk@60, otherwise it fails with
the error:

Traceback (most recent call last):
  File "/usr/local/bin/favagtk", line 45, in <module>
    from favagtk import main
  File "/usr/local/share/favagtk/favagtk/main.py", line 20, in <module>
    from .app import FavagtkApplication
  File "/usr/local/share/favagtk/favagtk/app.py", line 27, in <module>
    from .window import FavagtkWindow
  File "/usr/local/share/favagtk/favagtk/window.py", line 25, in <module>
    gi.require_versions({"Gtk": "4.0", "WebKit": "6.0"})
  File "/usr/local/lib/python3.11/site-packages/gi/__init__.py", line 145, in
require_versions
    require_version(module_name, module_version)
  File "/usr/local/lib/python3.11/site-packages/gi/__init__.py", line 122, in
require_version
    raise ValueError('Namespace %s not available' % namespace)
ValueError: Namespace WebKit not available

- Bump PORTREVISION

finance/favagtk: Add missing run dependency

- Bump PORTREVISION

PR:		285471

finance/favagtk: Fix COMMENT

finance/favagtk: Add new port

Desktop application for Fava and Beancoun.

Do your finances using fava and beancount. Favagtk makes it easy to use
the Fava and Beancount double-entry bookkeeping software as a GNOME
desktop application.
Start fava and beancount as you would any other desktop application.
Built as a GNOME application, using GTK and webkit.

https://gitlab.gnome.org/johannesjh/favagtk