changelog update

Author: kw-pr

docs/changes/1.2.0.md

@@ -10,6 +10,7 @@
 ## Bug fixes
 
 - Word2007 Reader: Fixed cast of spacing fixing [#729](https://github.com/PHPOffice/PHPPresentation/pull/729), [#796](https://github.com/PHPOffice/PHPPresentation/pull/796) in [#818](https://github.com/PHPOffice/PHPPresentation/pull/818)
+- Fix CI php-cs-fixer
 
 ## Miscellaneous