MINOR: Accept Throwables in DeferredEventQueue.failAll (#19337)

DeferredEvents take a Throwable and not an Exception. For consistency,
DeferredEventQueue.failAll should also accept a Throwable.

Reviewers: David Jacot <[email protected]>

Author: squah-confluent

server-common/src/main/java/org/apache/kafka/deferred/DeferredEventQueue.java

@@ -76,7 +76,7 @@ public void completeUpTo(long offset) {
      *
      * @param exception     The exception to fail the entries with.
      */
-    public void failAll(Exception exception) {
+    public void failAll(Throwable exception) {
         Iterator<Entry<Long, List<DeferredEvent>>> iter = pending.entrySet().iterator();
         while (iter.hasNext()) {
             Entry<Long, List<DeferredEvent>> entry = iter.next();