update changelog

Author: RobinMalfait

CHANGELOG.md

@@ -23,6 +23,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Ensure classes between `>` and `<` are properly extracted ([#17094](https://github.com/tailwindlabs/tailwindcss/pull/17094))
 - Treat starting single quote as verbatim text in Slim ([#17085](https://github.com/tailwindlabs/tailwindcss/pull/17085))
 - Ensure `.node` and `.wasm` files are not scanned for utilities ([#17123](https://github.com/tailwindlabs/tailwindcss/pull/17123))
+- Improve performance when scanning `JSON` files ([#17125](https://github.com/tailwindlabs/tailwindcss/pull/17125))
 
 ## [4.0.12] - 2025-03-07