chore(chagelog): update changelog with deprecation

Author: zdrawku

CHANGELOG.md

@@ -7,6 +7,8 @@ All notable changes for each version of this project will be documented in this
 ### General
 - `IgxGrid`, `IgxTreeGrid`, `IgxHierarchicalGrid`
     - **Behavioral Change** - When a column is sortable sort indicator is always visible. The column is sorted when click on it.
+- `igx-paginator` -  The following inputs have been deprecated for the `paginator` component and will be removed in future versions
+    - `selectLabel` and `prepositionPage` Use 'resourceStrings' to set/get values.
 
 - `IgxInputGroup`
   - **Renamed** `supressInputAutofocus` input to `suppressInputAutofocus`