chore: bump version to 1.4

Author: rexlManu

build.gradle

@@ -24,7 +24,7 @@ apply plugin: 'eclipse'
 apply plugin: 'maven-publish'
 apply plugin: 'org.spongepowered.mixin'
 
-version = '1.3'
+version = '1.4'
 group = 'de.rexlmanu' // http://maven.apache.org/guides/mini/guide-naming-conventions.html
 archivesBaseName = 'viaversion-addon'