Fix ResourceType API annotations (opensearch-project#15497)

Signed-off-by: Andriy Redko <[email protected]>

Author: reta

server/src/main/java/org/opensearch/wlm/ResourceType.java

@@ -18,8 +18,10 @@
 
 /**
  * Enum to hold the resource type
+ *
+ * @opensearch.api
  */
-@PublicApi(since = "2.x")
+@PublicApi(since = "2.17.0")
 public enum ResourceType {
     CPU("cpu", task -> task.getTotalResourceUtilization(ResourceStats.CPU), true),
     MEMORY("memory", task -> task.getTotalResourceUtilization(ResourceStats.MEMORY), true);