Upload to Cosmic.

debian/changelog

@@ -1,4 +1,4 @@
-lubuntu-artwork (1.4) UNRELEASED; urgency=medium
+lubuntu-artwork (1.4) cosmic; urgency=medium
 
   * Rename sddm-theme-lubuntu-chooser to sddm-theme-lubuntu.
   * Since Ubuntu's sddm is hardcoded to use the Breeze theme, add postinst and
@@ -9,7 +9,7 @@ lubuntu-artwork (1.4) UNRELEASED; urgency=medium
   * Change homepage to Lubuntu.me.
   * Fix branch name in Vcs-Browser.
 
- -- Simon Quigley <tsimonq2@ubuntu.com>  Sat, 07 Jul 2018 16:09:18 -0500
+ -- Simon Quigley <tsimonq2@ubuntu.com>  Sat, 07 Jul 2018 19:05:42 -0500
 
 lubuntu-artwork (1.3) cosmic; urgency=critical