Replace guava caches with caffeine

bukkit/src/main/java/me/lucko/luckperms/bukkit/LPBukkitPlugin.java

@@ -50,6 +50,7 @@ import me.lucko.luckperms.common.contexts.ContextManager;
 import me.lucko.luckperms.common.contexts.ServerCalculator;
 import me.lucko.luckperms.common.core.UuidCache;
 import me.lucko.luckperms.common.core.model.User;
+import me.lucko.luckperms.common.dependencies.Dependency;
 import me.lucko.luckperms.common.dependencies.DependencyManager;
 import me.lucko.luckperms.common.locale.LocaleManager;
 import me.lucko.luckperms.common.locale.NoopLocaleManager;
@@ -89,6 +90,7 @@ import org.bukkit.plugin.java.JavaPlugin;
 import java.io.File;
 import java.io.InputStream;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.LinkedHashMap;
 import java.util.List;
@@ -130,12 +132,18 @@ public class LPBukkitPlugin extends JavaPlugin implements LuckPermsPlugin {
     private PermissionVault permissionVault;
 
     @Override
-    public void onEnable() {
+    public void onLoad() {
+        // setup minimal functionality in order to load initial dependencies
         scheduler = new LPBukkitScheduler(this);
-
         localeManager = new NoopLocaleManager();
         senderFactory = new BukkitSenderFactory(this);
         log = new LoggerImpl(getConsoleSender());
+
+        DependencyManager.loadDependencies(this, Collections.singletonList(Dependency.CAFFEINE));
+    }
+
+    @Override
+    public void onEnable() {
         LuckPermsPlugin.sendStartupBanner(getConsoleSender(), this);
 
         ignoringLogs = ConcurrentHashMap.newKeySet();