Add patch for CGI.pm >= 4.66 compatibility.

Taken from upstream Git commit.

Thanks: Chris Peterson for the bug report.
Closes: #1074399
LP: #2071369

debian/patches/Fix_test_failures_due_to_URI_differences_CGI_>=_4.66.patch

+From 474ac92df5b9b4cae6542892af7faad4ce5ef432 Mon Sep 17 00:00:00 2001
+From: Wes Malone <wes@mitsi.com>
+Date: Fri, 28 Jun 2024 14:35:00 -0500
+Subject: [PATCH] Fix test failures due to URI differences CGI >= 4.66
+
+Those regression tests with full html are brittle. I don't want to force
+a CGI dep upgrade just to keep a test matching so here we mutate the
+expected result based on the behavior of the underlying CGI.
+
+Co-authored-by: Chris Peterson <chris.peterson@canonical.com>
+
+Bug: https://github.com/MicroTechnology-Services/cgi-application-plugin-authentication/pull/2
+Bug-Debian: https://bugs.debian.org/1074399
+Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/libcgi-application-plugin-authentication-perl/+bug/2071369
+
+---
+ Changes                | 1 +
+ t/03_login_box_basic.t | 8 +++++++-
+ 2 files changed, 8 insertions(+), 1 deletion(-)
+
+diff --git a/t/03_login_box_basic.t b/t/03_login_box_basic.t
+index b0eff2f..4c14578 100644
+--- a/t/03_login_box_basic.t
++++ b/t/03_login_box_basic.t
+@@ -74,7 +74,13 @@ subtest 'empty' => sub {
+     isa_ok($display, 'CGI::Application::Plugin::Authentication::Display');
+     isa_ok($display, 'CGI::Application::Plugin::Authentication::Display::Basic');
+     is($display->login_title, 'Sign In', 'title');
+-    ok_regression(sub {return $display->login_box}, 't/out/basic_login_box', 'login box');
++    my $login_box_output = $display->login_box;
++    my $selfurl = $cgiapp->authen->_detaint_selfurl;
++    # shim to support CGIs >= 4.66 that return urls with trailing slashes
++    if ($selfurl eq 'http://localhost/') {
++       $login_box_output =~ s|value="$selfurl"|value="http://localhost"|;
++    }
++    ok_regression(sub { $login_box_output }, 't/out/basic_login_box', 'login box');
+     is($display->logout_form, '', 'logout_form');
+     is($display->is_authenticated, 0, 'is_authenticated');
+     is($display->username, undef, 'username');

debian/patches/series

+Fix_test_failures_due_to_URI_differences_CGI_>=_4.66.patch