added changelog entry

Author: mtrezza

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ### master
 [Full Changelog](https://github.com/parse-community/parse-server/compare/4.5.0...master)
+
+__BREAKING CHANGES:__
+- NEW: Added file upload restriction. File upload is now only allowed for authenticated users by default for improved security. To allow file upload also for Anonymous Users or Public, set the `fileUpload` parameter in the [Parse Server Options](https://parseplatform.org/parse-server/api/master/ParseServerOptions.html). [#7071](https://github.com/parse-community/parse-server/pull/7071). Thanks to [dblythy](https://github.com/dblythy).
+___
 - IMPROVE: Optimize queries on classes with pointer permissions. [#7061](https://github.com/parse-community/parse-server/pull/7061). Thanks to [Pedro Diaz](https://github.com/pdiaz)
 
 ### 4.5.0