Add PR to the changelog

Author: antonwolfy

CHANGELOG.md

@@ -34,6 +34,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Replaced `ci` section in `.pre-commit-config.yaml` with a new GitHub workflow with scheduled run to autoupdate the `pre-commit` configuration [#2542](https://github.com/IntelPython/dpnp/pull/2542)
 * FFT module is updated to perform in-place FFT in intermediate steps of ND FFT [#2543](https://github.com/IntelPython/dpnp/pull/2543)
 * Reused dpctl tensor include to enable experimental SYCL namespace for complex types [#2546](https://github.com/IntelPython/dpnp/pull/2546)
+* Redesigned `dpnp.erf` function through pybind11 extension of OneMKL call or dedicated kernel in `ufunc` namespace [#2551](https://github.com/IntelPython/dpnp/pull/2551)
 
 ### Deprecated