add missing user reference in CHANGELOG.md [ci skip]

Signed-off-by: Christopher Hiller <[email protected]>

Author: boneskull

CHANGELOG.md

@@ -12,7 +12,7 @@
 - [#3700](https://github.com/mochajs/mocha/issues/3700): Growl notifications now show the correct number of tests run ([**@outsideris**](https://github.com/outsideris))
 - [#3686](https://github.com/mochajs/mocha/issues/3686): Avoid potential ReDoS when diffing large objects ([**@cyjake**](https://github.com/cyjake))
 - [#3715](https://github.com/mochajs/mocha/issues/3715): Fix incorrect order of emitted events when used programmatically ([**@boneskull**](https://github.com/boneskull))
-- [#3706](https://github.com/mochajs/mocha/issues/3706): Fix regression wherein `--reporter-option`/`--reporter-options` did not support comma-separated key/value pairs
+- [#3706](https://github.com/mochajs/mocha/issues/3706): Fix regression wherein `--reporter-option`/`--reporter-options` did not support comma-separated key/value pairs ([**@boneskull**](https://github.com/boneskull))
 
 ## :book: Documentation