Bump v9.18.2

Author: yajra

Diff for: CHANGELOG.md

@@ -8,6 +8,10 @@
 
 ### [Unreleased]
 
+### [v9.18.2] - 2021-06-28
+
+- Return empty string for null request keyword #2700
+
 ### [v9.18.1] - 2021-06-28
 
 - Query with subqueries exception fix. #2642
@@ -471,7 +475,8 @@ return (new CollectionDataTable(User::all())->toJson();
 - Fix orderColumn api where related tables are not joined.
 - Fix nested with relation search and sort function.
 
-[Unreleased]: https://github.com/yajra/laravel-datatables/compare/v9.18.1...9.0
+[Unreleased]: https://github.com/yajra/laravel-datatables/compare/v9.18.2...9.0
+[v9.18.2]: https://github.com/yajra/laravel-datatables/compare/v9.18.1...v9.18.2
 [v9.18.1]: https://github.com/yajra/laravel-datatables/compare/v9.18.0...v9.18.1
 [v9.18.0]: https://github.com/yajra/laravel-datatables/compare/v9.17.4...v9.18.0
 [v9.17.4]: https://github.com/yajra/laravel-datatables/compare/v9.17.3...v9.17.4