Update changelog

debian/changelog

+node-d3-geo (1.11.3-1) experimental; urgency=medium
+
+  * New upstream version 1.11.3
+  * Bump Standards-Version to 4.3.0 (no changes needed)
+  * Use salsa.debian.org in Vcs-* fields
+  * Bump debhelper compatibility level to 11
+  * Switch to rollup from webpack (rollup is in main now)
+
+ -- Pirate Praveen <praveen@debian.org>  Mon, 17 Jun 2019 21:09:06 +0530
+
 node-d3-geo (1.9.0-4) unstable; urgency=medium
 
   * Use webpack to build umd module like upstream (webpack segfault is fixed