fix: crash caused by LibGUI

Fixes #61, #62

gradle.properties

@@ -3,15 +3,15 @@ org.gradle.jvmargs=-Xmx1G
 
 # Fabric Properties
 	# check these on https://fabricmc.net/versions.html
-	minecraft_version=1.20.2
-	yarn_mappings=1.20.2+build.4
-	loader_version=0.14.24
+	minecraft_version=1.20.1
+	yarn_mappings=1.20.1+build.10
+	loader_version=0.15.6
 
 # Mod Properties
-	mod_version=2.0.1
+	mod_version=2.0.2
 	maven_group=io.github.cyberanner.ironchests
 	archives_base_name=IronChests
 
 # Dependencies
-    fabric_version=0.90.4+1.20.2
-	libgui_version=9.0.0+1.20.2
+    fabric_version=0.91.0+1.20.1
+	libgui_version=8.1.1+1.20.1