Update to Mojo version >= 8.02

Change-Id: Ie2992666e5c3083399ec6b2564faae51f8a67c0f
diff --git a/Makefile.PL b/Makefile.PL
index bebe29d..99e0539 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -14,7 +14,7 @@
   },
   LICENSE      => 'freebsd',
   PREREQ_PM => {
-    'Mojolicious' => '7.78',
+    'Mojolicious' => '8.02',
     'Mojolicious::Plugin::TagHelpers::Pagination' => 0.06,
     'Mojolicious::Plugin::TagHelpers::MailToChiffre' => 0.09,
     'Mojolicious::Plugin::ClosedRedirect' => 0.14,