Merge remote-tracking branch 'rocketchat/master'

* rocketchat/master: (134 commits)
  Bump version to 3.12.0
  Bump version to 3.12.0-rc.4
  Revert config ignoreUndefined
  Bump version to 3.12.0-rc.3
  Fix lint
  Security Fixes
  Bump version to 3.12.0-rc.2
  [FIX] Admin Panel pages not visible in Safari (RocketChat#20912)
  Update Apps-Engine version (RocketChat#20921)
  Regression: Messages not being encrypted E2E (RocketChat#20922)
  Fix: Add network observe plug to snap (RocketChat#20852)
  Language update from LingoHub 🤖 (RocketChat#20853)
  Added types to Emitters (RocketChat#20819)
  Bump version to 3.12.0-rc.1
  Regression: Fix scopes not being provided to getWorkspaceAccessToken (RocketChat#20871)
  Regression: Keep user custom status after change presence (RocketChat#20869)
  [FIX] Markdown prop variants (RocketChat#20767)
  [FIX] Open Visitor Info when omnichannel chat was open (RocketChat#20868)
  Regression: Prevent Message Attachment rendering (RocketChat#20860)
  [FIX] Download buttons on desktop app and CDN being ignored (RocketChat#20820)
  ...

.docker/Dockerfile.rhel

@@ -1,6 +1,6 @@
 FROM registry.access.redhat.com/ubi8/nodejs-12
 
-ENV RC_VERSION 3.11.1
+ENV RC_VERSION 3.12.0
 
 MAINTAINER buildmaster@rocket.chat
 

.github/history-manual.json

@@ -56,5 +56,12 @@
 		"contributors": [
 			"sampaiodiego"
 		]
+	}],
+	"3.12.0-rc.3": [{
+		"title": "[FIX] Security Hotfix (https://docs.rocket.chat/guides/security/security-updates)",
+		"userLogin": "sampaiodiego",
+		"contributors": [
+			"sampaiodiego"
+		]
 	}]
 }