debian/control: Update VCS fields

debian/changelog

@@ -1,11 +1,13 @@
-lubuntu-artwork (0.70ubuntu1) UNRELEASED; urgency=medium
+lubuntu-artwork (0.70) UNRELEASED; urgency=medium
 
   * Backup current artwork items to 1710 items, and prepare 1804 ones.
   * Add new plymouth theme for Lubuntu Next.
   * debian/gbp.conf:
    - Add configuration file for git-buildpackage.
+  * debian/control:
+   - Update VCS fields to point to git repository.
 
- -- Julien Lavergne <gilir@ubuntu.com>  Tue, 23 Jan 2018 00:13:07 +0100
+ -- Julien Lavergne <gilir@ubuntu.com>  Tue, 23 Jan 2018 00:19:51 +0100
 
 lubuntu-artwork (0.69) artful; urgency=medium
 

debian/control

@@ -7,8 +7,8 @@ Build-Depends: debhelper (>= 9~),
                intltool
 Standards-Version: 3.8.3
 Homepage: https://launchpad.net/~lubuntu-desktop
-Vcs-Bzr: lp:~lubuntu-desktop/+junk/lubuntu-artwork
-Vcs-Browser: http://bazaar.launchpad.net/~lubuntu-desktop/+junk/artwork/files
+Vcs-Browser: https://git.launchpad.net/lubuntu-artwork?h=master
+Vcs-Git: https://git.launchpad.net/lubuntu-artwork
 
 Package: lubuntu-artwork
 Architecture: all