Updated CHANGELOG.md

Author: aeon-automation

CHANGELOG.md

@@ -33,6 +33,7 @@
 - [#1244](https://github.com/flow-php/flow/pull/1244) - **Added CLI command to read schema from a file** - [@norberttech](https://github.com/norberttech)
 
 ### Changed
+- [#1302](https://github.com/flow-php/flow/pull/1302) - **Updated infection configuration to focus it at core only** - [@norberttech](https://github.com/norberttech)
 - [2072d8](https://github.com/flow-php/flow/commit/2072d8d620aaf0ae013d005455c9306f9a529d0c) - **Renamed output files of phpunit coverage report and junit report for codecov** - [@norberttech](https://github.com/norberttech)
 - [#1300](https://github.com/flow-php/flow/pull/1300) - **Moved coverage and phpunit logs to standalone files** - [@norberttech](https://github.com/norberttech)
 - [#1300](https://github.com/flow-php/flow/pull/1300) - **upload to codecov only from one php and deps version** - [@norberttech](https://github.com/norberttech)