Add v6.0.2 to CHANGELOG.md [skip ci]

Author: Austin Green

CHANGELOG.md

@@ -12,6 +12,20 @@ _Note: Gaps between patch versions are faulty, broken or test releases._
 <!-- DO NOT MODIFY BELOW THIS COMMENT -->
 <!-- insert-new-changelog-here -->
 
+## v6.0.2 (2019-06-14)
+
+#### :bug: Bug Fix
+* `buttons`
+  * [#366](https://github.com/zendeskgarden/react-components/pull/366) fix(buttons): Pass className to <Icon /> ([@giacomorebonato](https://github.com/giacomorebonato))
+* `avatars`
+  * [#363](https://github.com/zendeskgarden/react-components/pull/363) fix(avatars): update avatar CSS for badge animation ([@jzempel](https://github.com/jzempel))
+* Other
+  * [#361](https://github.com/zendeskgarden/react-components/pull/361) fix(build): add tag fetching to process ([@austin94](https://github.com/austin94))
+
+#### :memo: Documentation
+* [#364](https://github.com/zendeskgarden/react-components/pull/364) chore(demo): add `react-containers` link + deprecated packages section ([@jzempel](https://github.com/jzempel))
+* [#362](https://github.com/zendeskgarden/react-components/pull/362) chore: add versioning documentation ([@jzempel](https://github.com/jzempel))
+
 ## v6.0.1 (2019-06-10)
 
 #### :bug: Bug Fix