Update CHANGELOG.md

Author: abagusetty

CHANGELOG.md

@@ -28,6 +28,7 @@ Also, that release drops support for Python 3.9, making Python 3.10 the minimum
 * Added implementation of `dpnp.isin` function [#2595](https://github.com/IntelPython/dpnp/pull/2595)
 * Added implementation of `dpnp.scipy.linalg.lu` (SciPy-compatible) [#2787](https://github.com/IntelPython/dpnp/pull/2787)
 * Added support for ndarray subclassing via `dpnp.ndarray.view` method with `type` parameter [#2815](https://github.com/IntelPython/dpnp/issues/2815)
+* Added implementation of `dpnp.scipy.sparse.linalg import LinearOperator, cg, gmres, minres` [#2841](https://github.com/IntelPython/dpnp/pull/2841)
 
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