Updated MMO Core to Java 21

Updated Maven Wrapper to 3.2.0
Updated Maven to 3.9.5

.gitignore

@@ -2,4 +2,5 @@ target/
 .settings/
 .classpath
 .project
-*.iml
+*.iml
\ No newline at end of file
+/.idea/

.mvn/wrapper/maven-wrapper.properties

@@ -14,5 +14,5 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.1/apache-maven-3.8.1-bin.zip
-wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.1/maven-wrapper-3.1.1.jar
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.5/apache-maven-3.9.5-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar

jitpack.yml

-jdk:
-  - openjdk17
+before_install:
+   - sdk install java 21-tem
\ No newline at end of file
+   - sdk use java 21-tem
\ No newline at end of file

pom.xml

@@ -3,20 +3,20 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>com.l2jserver</groupId>
 	<artifactId>l2j-server-mmocore</artifactId>
-	<version>2.6.4.0</version>
+	<version>2.6.5.0</version>
 	<name>L2J Server - MMO Core</name>
 	<description>MMOCore is a communication abstraction library for game server development.</description>
 	<url>https://bitbucket.org/l2jserver/l2j-server-mmocore/</url>
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-		<maven.compiler.source>17</maven.compiler.source>
-		<maven.compiler.target>17</maven.compiler.target>
+		<maven.compiler.source>21</maven.compiler.source>
+		<maven.compiler.target>21</maven.compiler.target>
 	</properties>
 	<licenses>
 		<license>
 			<name>GPL 3.0</name>
-			<url>http://www.gnu.org/licenses/gpl-3.0.html</url>
+			<url>https://www.gnu.org/licenses/gpl-3.0.html</url>
 		</license>
 	</licenses>
 	<organization>