fix(slider): update changelog

Aleksandyr · Aleksandyr · commit ce34545549d9 · 2019-06-05T17:34:55.000+03:00
Closes #3449
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 All notable changes for each version of this project will be documented in this file.
 
-## 7.2.x
+## 7.2.12
 ### New feature
 - **igxSlider** - exposing new `labels` property accepting a collection of literal values that become equally spread over the slider, by placing each element as a thumb label.
  
