Update rocket.chat

library/rocket.chat

@@ -3,8 +3,8 @@
 Maintainers: Rocket.Chat Image Team <[email protected]> (@RocketChat)
 GitRepo: https://github.com/RocketChat/Docker.Official.Image.git
 
-Tags: 4.2.0, 4.2, 4, latest
-GitCommit: d0cf92aced157bda12730ebc2662dc83707dd051
+Tags: 4.2.1, 4.2, 4, latest
+GitCommit: 6eadb822368e2416bf743ef67aee161e61cafac6
 Directory: 4.2
 
 Tags: 4.1.2, 4.1