fix compileation eror

src/main/kotlin/com/android/trisolarisserver/config/HttpConfig.kt

@@ -1,18 +1,18 @@
 package com.android.trisolarisserver.config
 
-import org.springframework.boot.web.client.RestTemplateBuilder
 import org.springframework.context.annotation.Bean
 import org.springframework.context.annotation.Configuration
+import org.springframework.http.client.SimpleClientHttpRequestFactory
 import org.springframework.web.client.RestTemplate
-import java.time.Duration
 
 @Configuration
 class HttpConfig {
     @Bean
-    fun restTemplate(builder: RestTemplateBuilder): RestTemplate {
-        return builder
-            .setConnectTimeout(Duration.ofSeconds(10))
-            .setReadTimeout(Duration.ofMinutes(5))
-            .build()
+    fun restTemplate(): RestTemplate {
+        val factory = SimpleClientHttpRequestFactory().apply {
+            setConnectTimeout(10_000)
+            setReadTimeout(5 * 60 * 1_000)
+        }
+        return RestTemplate(factory)
     }
 }