Add patch for compatibility with Calendar::Simple 2.0.

Closes: #964155

debian/patches/calendar-simple-2.0.patch

+Description: compatibility fix for Calendar::Simple 2.0
+ which defaults to starting the week on Sunday.
+ If no start_day is passed, default to Sunday in order to keep current behaviour.
+Origin: vendor
+Bug: https://rt.cpan.org/Public/Bug/Display.html?id=132932
+Forwarded: https://rt.cpan.org/Public/Bug/Display.html?id=132932
+Bug-Debian: https://bugs.debian.org/964155
+Author: gregor herrmann <gregoa@debian.org>
+Last-Update: 2022-05-23
+
+--- a/lib/Template/Plugin/Calendar/Simple.pm
++++ b/lib/Template/Plugin/Calendar/Simple.pm
+@@ -11,6 +11,7 @@
+ 
+ sub new {
+     my ($class, $context, @args) = @_;
++    push @args, '0' if scalar @args < 3; # default to Sunday
+     my @cal = Calendar::Simple::calendar( @args );
+     return bless {
+         _CONTEXT => $context,

debian/patches/series

+calendar-simple-2.0.patch