fix spacing in changelog

Author: ndgrigorian

CHANGELOG.md

@@ -22,7 +22,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Maintenance
 
 * Enabled multiversion documentation for `dpctl` using a custom drop-down for version selection and a `--multiversion` option for documentation build helper script [gh-2276](https://github.com/IntelPython/dpctl/pull/2276)
-
 * Updated examples to remove use of `dpctl.tensor`, opting to simplify the examples and rely on `dpctl.memory` objects which wrap USM allocations [gh-2245](https://github.com/IntelPython/dpctl/pull/2245)
 * Removed deprecated property syntax from Cython files [gh-2277](https://github.com/IntelPython/dpctl/pull/2277)