Add support for Java 23

By: md_5 <git@md-5.net>

paper-server/pom.xml

@@ -290,7 +290,7 @@
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>
-            <version>5.11.0</version>
+            <version>5.14.1</version>
             <scope>test</scope>
         </dependency>
         <dependency>

paper-server/src/main/java/org/bukkit/craftbukkit/Main.java

@@ -162,8 +162,8 @@ public class Main {
             }
 
             float javaVersion = Float.parseFloat(System.getProperty("java.class.version"));
-            if (javaVersion > 66.0) {
-                System.err.println("Unsupported Java detected (" + javaVersion + "). Only up to Java 22 is supported.");
+            if (javaVersion > 67.0) {
+                System.err.println("Unsupported Java detected (" + javaVersion + "). Only up to Java 23 is supported.");
                 return;
             }