fix: update properties

hippo4j-example/hippo4j-config-nacos-spring-boot-1.5-starter-example/src/main/resources/bootstrap.properties

@@ -9,12 +9,10 @@ management.endpoints.web.exposure.include=*
 spring.profiles.active=dev
 spring.application.name=dynamic-threadpool-example
 
-spring.cloud.nacos.config.password=nacos
 spring.cloud.nacos.config.server-addr=127.0.0.1:8848
-spring.cloud.nacos.config.username=nacos
-spring.cloud.nacos.config.extension-configs[0].data-id=hippo4j-nacos.yaml
-spring.cloud.nacos.config.extension-configs[0].group=DEFAULT_GROUP
-spring.cloud.nacos.config.extension-configs[0].refresh=true
+spring.cloud.nacos.config.ext-config[0].data-id=hippo4j-nacos.yaml
+spring.cloud.nacos.config.ext-config[0].group=DEFAULT_GROUP
+spring.cloud.nacos.config.ext-config[0].refresh=true
 
 spring.dynamic.thread-pool.enable=true
 spring.dynamic.thread-pool.banner=true