Add PR to the changelog

Author: antonwolfy

CHANGELOG.md

@@ -55,6 +55,7 @@ Also, that release drops support for Python 3.9, making Python 3.10 the minimum
 * Dropped support for Python 3.9 [#2626](https://github.com/IntelPython/dpnp/pull/2626)
 * Removed the obsolete interface from DPNP to Numba JIT [#2647](https://github.com/IntelPython/dpnp/pull/2647)
 * Removed the `newshape` parameter from `dpnp.reshape`, which has been deprecated since dpnp 0.17.0. Pass it positionally or use `shape=` on newer versions [#2670](https://github.com/IntelPython/dpnp/pull/2670)
+* Removed unused `pytest` configuration from `pyproject.toml` [#2729](https://github.com/IntelPython/dpnp/pull/2729)
 
 ### Fixed