Update rocket.chat

Author: sampaiodiego

library/rocket.chat

@@ -3,8 +3,8 @@
 Maintainers: Rocket.Chat Image Team <buildmaster@rocket.chat> (@RocketChat)
 GitRepo: https://github.com/RocketChat/Docker.Official.Image.git
 
-Tags: 4.5.4, 4.5, 4, latest
-GitCommit: 5bc8bc3b7a6b62fb4d532eeae2531c831969b389
+Tags: 4.5.5, 4.5, 4, latest
+GitCommit: c41ddd042ed136970020784fc8cddbc97daf13fb
 Directory: 4.5
 
 Tags: 4.4.2, 4.4