status-update jar 로직 추가

gukyuin/pnu-update/src/main/java/com/kamco/cd/kamcoback/config/ApiCallLimiter.java

@@ -0,0 +1,22 @@
+package com.kamco.cd.kamcoback.config;
+
+import java.util.concurrent.Callable;
+import java.util.concurrent.Semaphore;
+import org.springframework.stereotype.Component;
+
+@Component
+public class ApiCallLimiter {
+  // 동시에 허용할 외부 API 호출 수
+  private final Semaphore semaphore = new Semaphore(5);
+
+  public <T> T call(Callable<T> fn) {
+    try {
+      semaphore.acquire();
+      return fn.call();
+    } catch (Exception e) {
+      throw new RuntimeException(e);
+    } finally {
+      semaphore.release();
+    }
+  }
+}