Noted the change in CHANGELOG.md

Author: npolina4

CHANGELOG.md

@@ -32,6 +32,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Wrote manual page about working with `dpctl.SyclQueue` [#829](https://github.com/IntelPython/dpctl/pull/829).
 * Added cmake scripts to dpctl package layout and a way to query the location [#853](https://github.com/IntelPython/dpctl/pull/853).
 * Implemented `dpctl.tensor.concat` function from array-API [#867](https://github.com/IntelPython/dpctl/867).
+* Implemented `dpctl.tensor.stack` function from array-API [#872](https://github.com/IntelPython/dpctl/872).
 
 
 ### Changed