Bump version to v0.1.3

Author: vibridi

CHANGELOG.md

@@ -1,4 +1,13 @@
 
+v0.1.3 / 2023-08-21
+==================
+
+  * Add draft unit tests for crashers
+  * Restore SinkColoring as default positioning option
+  * [p4-coloring] Consider edge priorities when painting blocks (fixes #4)
+  * [p4-b&k] Refactor marking edge conflicts into a top-level function to improve reuse
+  * Remove node margin as a parameter from all algorithms, use only node spacing (fixes #5)
+
 v0.1.2 / 2023-08-16
 ==================