[build] Upgrade Gradle wrapper and plugins (#8767)

This fixes builds on JDK 26 for me.

commandsv2/src/main/java/org/wpilib/command2/SequentialCommandGroup.java

@@ -39,7 +39,6 @@ public class SequentialCommandGroup extends Command {
    *
    * @param commands Commands to add, in order of execution.
    */
-  @SuppressWarnings("PMD.UseArraysAsList")
   public final void addCommands(Command... commands) {
     if (m_currentCommandIndex != -1) {
       throw new IllegalStateException(