This commit updates the dependencies for libhandy to the tagged 1.0
release and changes the code to accomodate the changes from
libhandy-0 to libhandy-1.
Notable changes:
edit-dialog: HdyDialog has been dropped in [1]
alarm-row: action child type in HdyActionRow has been removed.
[1] https://gitlab.gnome.org/GNOME/libhandy/-/merge_requests/434