update java and runtime args

instance.cfg

@@ -3,4 +3,5 @@ InstanceType=OneSix
 iconKey={ICONNAME}_icon
 name=Modpack Template
 OverrideCommands=true
+JvmArgs=-XX:+UseZGC
 PreLaunchCommand="$INST_JAVA" -jar packwiz-installer-bootstrap.jar {PACKURL}

mmc-pack.json

@@ -3,7 +3,7 @@
     { "uid": "net.minecraft", "version": "1.21.1" },
     {
       "cachedName": "LWJGL 3",
-      "cachedVersion": "3.3.1",
+      "cachedVersion": "3.3.3",
       "cachedVolatile": true,
       "dependencyOnly": true,
       "uid": "org.lwjgl3",