Update PacketEvents version and enhance bStats integration

Replaced PacketEvents dependency with version 619 and upgraded the project version to 1.5.3. Enhanced bStats integration by adding support for AdvancedPie and SingleLineChart metrics. Adjusted import paths to align with the updated library structure.

Author: SquareCodeFX

build.gradle

@@ -25,7 +25,7 @@ repositories {
 }
 
 dependencies {
-    implementation(files("depends/packetevents-585.jar"))
+    implementation(files("depends/packetevents-619.jar"))
     implementation(project(':api'))
     implementation 'com.github.cryptomorin:XSeries:12.1.0'
     implementation 'com.google.guava:guava:33.3.1-jre'
@@ -41,7 +41,7 @@ dependencies {
 }
 
 group = 'de.feelix.sierra'
-version = '1.5.2'
+version = '1.5.3'
 description = 'Sierra'
 
 java.sourceCompatibility = JavaVersion.VERSION_1_8

depends/packetevents-585.jar renamed to depends/packetevents-619.jar

@@ -3,7 +3,9 @@
 import de.feelix.sierra.Sierra;
 import de.feelix.sierra.manager.init.Initable;
 import de.feelix.sierra.manager.storage.SierraDataManager;
-import io.github.retrooper.packetevents.bstats.Metrics;
+import io.github.retrooper.packetevents.bstats.bukkit.Metrics;
+import io.github.retrooper.packetevents.bstats.charts.AdvancedPie;
+import io.github.retrooper.packetevents.bstats.charts.SingleLineChart;
 
 /**
  * The InitBStats class is responsible for initializing the bStats metrics for the Sierra plugin.
@@ -26,25 +28,25 @@ public class InitBStats implements Initable {
      */
     @Override
     public void start() {
-        Metrics metrics = new Metrics(Sierra.getPlugin(), PLUGIN_ID);
+        Metrics metrics = new io.github.retrooper.packetevents.bstats.bukkit.Metrics(Sierra.getPlugin(), PLUGIN_ID);
 
-        metrics.addCustomChart(new Metrics.SingleLineChart(
+        metrics.addCustomChart(new SingleLineChart(
             "bans",
             () -> {
                 int bans = SierraDataManager.BANS;
                 SierraDataManager.BANS = 0;
                 return bans;
             }
         ));
-        metrics.addCustomChart(new Metrics.SingleLineChart(
+        metrics.addCustomChart(new SingleLineChart(
             "kicks",
             () -> {
                 int kicks = SierraDataManager.KICKS;
                 SierraDataManager.KICKS = 0;
                 return kicks;
             }
         ));
-        metrics.addCustomChart(new Metrics.AdvancedPie(
+        metrics.addCustomChart(new AdvancedPie(
             "active_check_types",
             () -> SierraDataManager.violationCount
         ));