Update changelog

Author: thecrypticace

CHANGELOG.md

@@ -11,6 +11,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Ensure the TypeScript types for `PluginsConfig` allow `undefined` values ([#14668](https://github.com/tailwindlabs/tailwindcss/pull/14668))
 
+# Changed
+
+- Bumped lilconfig to v3.x ([#15289](https://github.com/tailwindlabs/tailwindcss/pull/15289))
+
 ## [3.4.15] - 2024-11-14
 
 - Bump versions for security vulnerabilities ([#14697](https://github.com/tailwindlabs/tailwindcss/pull/14697))