Update changelog

debian/changelog

-ruby-default-value-for (3.1.1-1) UNRELEASED; urgency=medium
+ruby-default-value-for (3.1.1-1) experimental; urgency=medium
 
   * Team upload
   * New upstream version 3.1.1
   * Switch to gitlab fork
   * Add Breaks for gitlab before 11.6.0
+  * Disable failing tests (upstream not responding)
 
- -- Pirate Praveen <praveen@debian.org>  Mon, 17 Dec 2018 14:52:07 +0530
+ -- Pirate Praveen <praveen@debian.org>  Sat, 22 Dec 2018 23:31:03 +0530
 
 ruby-default-value-for (3.1.0-1) unstable; urgency=medium