Fixed DEBUG logs not showing in newer Java versions

bootstrap/standalone/pom.xml

@@ -120,6 +120,9 @@
                     <transformers>
                         <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                             <mainClass>org.geysermc.platform.standalone.GeyserBootstrap</mainClass>
+                            <manifestEntries>
+                                <Multi-Release>true</Multi-Release>
+                            </manifestEntries>
                         </transformer>
                         <transformer
                                 implementation="com.github.edwgiz.mavenShadePlugin.log4j2CacheTransformer.PluginsCacheFileTransformer">
@@ -130,4 +133,4 @@
             </plugin>
         </plugins>
     </build>
-</project>
+</project>