Update CHANGELOG

Author: driesvints

CHANGELOG.md

@@ -1,6 +1,11 @@
 # Release Notes for 10.x
 
-## [Unreleased](https://github.com/laravel/framework/compare/v10.48.17...10.x)
+## [Unreleased](https://github.com/laravel/framework/compare/v10.48.18...10.x)
+
+## [v10.48.18](https://github.com/laravel/framework/compare/v10.48.17...v10.48.18) - 2024-07-30
+
+* [10.x] backport #52188 by [@calebdw](https://github.com/calebdw) in https://github.com/laravel/framework/pull/52293
+* [10.x] Fix runPaginationCountQuery not working properly for union queries by [@chinleung](https://github.com/chinleung) in https://github.com/laravel/framework/pull/52314
 
 ## [v10.48.17](https://github.com/laravel/framework/compare/v10.48.16...v10.48.17) - 2024-07-23