Update jitpack.yml

Author: DemonZDevelopment

jitpack.yml

@@ -2,13 +2,12 @@ jdk:
   - openjdk17
 
 env:
-  # Give Maven extra memory to handle shading JDA and HikariCP smoothly
   MAVEN_OPTS: "-Xmx1024m -Xms512m"
 
 before_install:
-  # Pre-download all dependencies so the actual build step is lightning fast
+  # Upgrade to a modern Maven version to support your pom.xml plugins
+  - sdk install maven 3.9.6
   - mvn dependency:go-offline -B --no-transfer-progress
 
 install:
-  # Build the project using parallel threads, and force Javadoc/Sources generation for IDE support
   - mvn clean install -DskipTests -B --no-transfer-progress -T 1C -Dmaven.javadoc.skip=false -Dmaven.source.skip=false