made events final

Author: csviri

operator-framework/src/main/java/io/javaoperatorsdk/operator/processing/EventBuffer.java

@@ -7,7 +7,7 @@
 
 class EventBuffer {
 
-    private Map<String, List<Event>> events = new HashMap<>();
+    private final Map<String, List<Event>> events = new HashMap<>();
 
     public void addEvent(Event event) {
         String uid = event.getRelatedCustomResourceUid();