Undo typo fix

Author: ivancea

x-pack/plugin/esql/compute/src/main/java/org/elasticsearch/compute/operator/AsyncOperator.java

@@ -289,7 +289,7 @@ public long completedPages() {
             return completedPages;
         }
 
-        public long processNanos() {
+        public long procesNanos() {
             return processNanos;
         }