Change to List.of rather than Arrays.asList because it is a List whose values ​​do not change.

Author: dukbong

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/cloud/CloudPlatform.java

@@ -154,7 +154,7 @@ private boolean isAutoDetected(EnumerablePropertySource<?> environmentPropertySo
 	 */
 	AZURE_APP_SERVICE {
 
-		private final List<String> azureEnvVariables = Arrays.asList("WEBSITE_SITE_NAME", "WEBSITE_INSTANCE_ID",
+		private final List<String> azureEnvVariables = List.of("WEBSITE_SITE_NAME", "WEBSITE_INSTANCE_ID",
 				"WEBSITE_RESOURCE_GROUP", "WEBSITE_SKU");
 
 		@Override