Updated kotlin version.

Signed-off-by: Pavel Erokhin (MairwunNx) <MairwunNx@gmail.com>

Author: MairwunNx

gradle.properties

@@ -1,5 +1,3 @@
-# Sets default memory used for gradle commands. Can be overridden by user or command line properties.
-# This is required to provide enough memory for the Minecraft decompilation process.
 org.gradle.jvmargs=-Xmx3G
 org.gradle.daemon=false
 org.gradle.caching=true
@@ -13,7 +11,7 @@ mappingsChannelType=snapshot
 mappingsChannelVersion=20190719-1.14.3
 kotlinJdkVersionTarget=jdk8
 kotlinxSerializationVersion=0.12.0
-kotlinVersion=1.3.50
+kotlinVersion=1.3.61
 projectEssentialsVersion=1.14.4-0.1.0.0
 projectEssentialsName=Project Essentials Chat
 projectEssentialsId=project_essentials_chat