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

This fixes builds on JDK 26 for me.

cscore/src/main/java/org/wpilib/vision/camera/CvSource.java

@@ -40,7 +40,7 @@ public class CvSource extends ImageSource {
   }
 
   /**
-   * Put an OpenCV image and notify sinks
+   * Put an OpenCV image and notify sinks.
    *
    * <p>The image format is guessed from the number of channels. The channel mapping is as follows.
    * 1: kGray 2: kYUYV 3: BGR 4: BGRA Any other channel numbers will throw an error. If your image

cscore/src/main/java/org/wpilib/vision/camera/VideoListener.java

@@ -72,6 +72,7 @@ public class VideoListener implements AutoCloseable {
   private static boolean s_waitQueue;
   private static final Condition s_waitQueueCond = s_lock.newCondition();
 
+  @SuppressWarnings("PMD.AvoidCatchingGenericException")
   private static void startThread() {
     s_thread =
         new Thread(