Bug 798180 - Update to macOS Big Sur 11.3 breaks Finance Quote

Added new dependency Test2 to gnc-fq-update. This is a second-order
dependency of Finanance::Quote that CPAN doesn't seem to recognize
on its own.

libgnucash/quotes/gnc-fq-update.in

@@ -36,6 +36,7 @@ if ($( != 0) {
   exit 0 if ($input ne "y");
 }
 
+CPAN::Shell->install('Test2'); #Required by an F::Q dependency but cpan doesn't notice.
 CPAN::Shell->install('Date::Manip'); #Required by gnc-fq-helper
 CPAN::Shell->install('Finance::Quote');