Update CHANGELOG

Author: freekmurze

CHANGELOG.md

@@ -2,6 +2,18 @@
 
 All notable changes to `dropbox-api` will be documented in this file
 
+## 1.20.2 - 2022-06-24
+
+### What's Changed
+
+- uploadSessionStart and uploadSessionFinish can accept resource by @dmitryuk in https://github.com/spatie/dropbox-api/pull/102
+
+### New Contributors
+
+- @dmitryuk made their first contribution in https://github.com/spatie/dropbox-api/pull/102
+
+**Full Changelog**: https://github.com/spatie/dropbox-api/compare/1.20.1...1.20.2
+
 ## 1.20.1 - 2022-03-29
 
 ## What's Changed