Update changelog

debian/changelog

+lablgl (1:1.06-1) UNRELEASED; urgency=medium
+
+  * New upstream release
+    - remove camlp4 from Build-Depends
+  * Update Vcs-*
+  * Bump Standards-Version to 4.4.0
+  * Remove Samuel from Uploaders
+  * Bump debhelper compat level to 12
+  * Update Homepage and debian/watch
+
+ -- Stéphane Glondu <glondu@debian.org>  Wed, 07 Aug 2019 10:51:52 +0200
+
 lablgl (1:1.05-3) unstable; urgency=medium
 
   * Switch to the default Tcl/Tk version from 8.5 since 8.5 is to be removed