Bump version to 1.3

Author: Erik Veld

gradle.properties

@@ -8,7 +8,7 @@ org.gradle.jvmargs=-Xmx2G
 	loader_version=0.14.6
 
 # Mod Properties
-	mod_version = 1.2.0
+	mod_version = 1.3.0
 	maven_group = com.hashicorp
 	archives_base_name = fabric-hashicraft-mod