fix: 修复升级 spring boot 后重启eureka不能自动续期的问题，如果 spring 后续修复这个问题这次改动可以丢弃

https://github.com/spring-cloud/spring-cloud-netflix/issues/4145

framework/eureka/src/main/java/io/metersphere/eureka/CustomErrorController.java

@@ -0,0 +1,18 @@
+package io.metersphere.eureka;
+
+import org.springframework.boot.web.servlet.error.ErrorController;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class CustomErrorController implements ErrorController {
+
+    private static final String ERROR_MAPPING = "/error";
+
+    @RequestMapping(ERROR_MAPPING)
+    public ResponseEntity<Void> error() {
+        return ResponseEntity.notFound().build();
+    }
+
+}