add gh-105 to the changelog

Author: ndgrigorian

CHANGELOG.md

@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed 
 * Dropped support for `maximum` and `minimum` [gh-104](https://github.com/IntelPython/mkl_umath/pull/104)
+* Disabled `-fast-math` by default [gh-105](https://github.com/IntelPython/mkl_umath/pull/105)
 * Used a common umath loop for `log2` function to match NumPy [gh-109](https://github.com/IntelPython/mkl_umath/pull/109)
 * Dropped support for `remainder` function [gh-110](https://github.com/IntelPython/mkl_umath/pull/110)