CHANGELOG.md: Add 2.0.2 entry

CHANGELOG.md

@@ -3,6 +3,16 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
+## [2.0.2] - 2020-03-31
+### Fixed
+- Blocked/muted users still generating push notifications
+- Input textbox for bio ignoring newlines
+- OTP: Inability to use PostgreSQL databases with SSL
+- `user delete_activities` breaking when trying to delete already deleted posts
+
+### Added
+- Admin API: `PATCH /api/pleroma/admin/users/:nickname/update_credentials`
+
 ## [2.0.1] - 2020-03-15
 ### Security
 - Static-FE: Fix remote posts not being sanitized