Merge pull request #141 from jobschen/main

JMH 多线程缓存淘汰压力测试，存在并发问题

scheduler/src/main/java/com/zfoo/scheduler/util/LazyCache.java

@@ -155,7 +155,7 @@ public class LazyCache<K, V> {
         removeListener.accept(removeList, removalCause);
     }
 
-    private void checkMaximumSize() {
+    private synchronized void checkMaximumSize() {
         if (cacheMap.size() > backPressureSize) {
             var removeList = cacheMap.values()
                     .stream()