Make BulkChange auto-closeable

so that it can be used as below:

    try (BulkChange bc = new BulkChange(o)) {
       ...
       bc.commit();
    }

core/src/main/java/hudson/BulkChange.java

@@ -25,6 +25,7 @@ package hudson;
 
 import hudson.model.Saveable;
 
+import java.io.Closeable;
 import java.io.IOException;
 
 /**
@@ -35,24 +36,9 @@ import java.io.IOException;
  * The usage of {@link BulkChange} needs to follow a specific closure-like pattern, namely:
  *
  * <pre>
- * BulkChange bc = new BulkChange(someObject);
- * try {
- *    ... make changes to 'someObject'
- * } finally {
- *    bc.commit();
- * }
- * </pre>
- *
- * <p>
- * ... or if you'd like to avoid saving when something bad happens:
- *
- * <pre>
- * BulkChange bc = new BulkChange(someObject);
- * try {
+ * try (BulkChange bc = new BulkChange(someObject)) {
  *    ... make changes to 'someObject'
  *    bc.commit();
- * } finally {
- *    bc.abort();
  * }
  * </pre>
  *
@@ -82,7 +68,7 @@ import java.io.IOException;
  * @author Kohsuke Kawaguchi
  * @since 1.249
  */
-public class BulkChange {
+public class BulkChange implements Closeable {
     private final Saveable saveable;
     public final Exception allocator;
     private final BulkChange parent;
@@ -112,6 +98,14 @@ public class BulkChange {
         saveable.save();
     }
 
+    /**
+     * Alias for {@link #abort()} to make {@link BulkChange} auto-closeable.
+     */
+    @Override
+    public void close() {
+        abort();
+    }
+
     /**
      * Exits the scope of {@link BulkChange} without saving the changes.
      *