Bump com.puppycrawl.tools:checkstyle from 9.3 to 12.3.1

.github/dependabot.yml

@@ -11,7 +11,7 @@ updates:
       - dependency-name: "com.google.code.gson:gson"
         # Synchronised with Minecraft
       - dependency-name: "com.google.guava:guava"
-        # Requires Java 17
+        # Requires Java 21
       - dependency-name: "com.puppycrawl.tools:checkstyle"
         update-types: ["version-update:semver-major"]
         # Requires Java 17

api/src/main/java/net/md_5/bungee/api/event/ChatEvent.java

@@ -7,7 +7,6 @@ import net.md_5.bungee.api.CommandSender;
 import net.md_5.bungee.api.ProxyServer;
 import net.md_5.bungee.api.connection.Connection;
 import net.md_5.bungee.api.plugin.Cancellable;
-import net.md_5.bungee.api.plugin.PluginManager;
 
 /**
  * Event called when a player sends a message to a server.
@@ -47,7 +46,8 @@ public class ChatEvent extends TargetedEvent implements Cancellable
      * Checks whether this message is run on this proxy server.
      *
      * @return if this command runs on the proxy
-     * @see PluginManager#isExecutableCommand(java.lang.String,
+     * @see
+     * net.md_5.bungee.api.plugin.PluginManager#isExecutableCommand(java.lang.String,
      * net.md_5.bungee.api.CommandSender)
      */
     public boolean isProxyCommand()

checkstyle.xml

@@ -75,9 +75,6 @@
         </module>
         <module name="RightCurly"/>
 
-        <!-- See http://checkstyle.sourceforge.net/config_design.html -->
-        <module name="FinalClass"/>
-
         <!-- See http://checkstyle.sourceforge.net/config_misc.html -->
         <module name="ArrayTypeStyle"/>
         <module name="CommentsIndentation"/>

pom.xml

@@ -190,7 +190,7 @@
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>
                         <artifactId>checkstyle</artifactId>
-                        <version>9.3</version>
+                        <version>12.3.1</version>
                     </dependency>
                 </dependencies>
             </plugin>