Add CHANGELOG entry

Author: dlackty

CHANGELOG.md

@@ -13,6 +13,7 @@
 * Swift 5 [#13](https://github.com/polydice/iCook-tvOS/pull/13)
 * Update gems and migrate to GitHub Actions [#14](https://github.com/polydice/iCook-tvOS/pull/14)
 * Clean up tracking [#15](https://github.com/polydice/iCook-tvOS/pull/15)
+* Clean up Fastlane and CI [#16](https://github.com/polydice/iCook-tvOS/pull/16)
 
 ## v1.0.0