Record change to full and full_like in changelog

Author: ndgrigorian

CHANGELOG.md

@@ -17,6 +17,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+* Improved error in constructors `tensor.full` and `tensor.full_like` when provided a non-numeric fill value [gh-1878](https://github.com/IntelPython/dpctl/pull/1878)
+
 ### Maintenance
 
 * Update black version used in Python code style workflow [gh-1828](https://github.com/IntelPython/dpctl/pull/1828)