Fix PR link in changelog

Signed-off-by: Pranit Kumar <pranikum@amazon.com>

Author: pranikum

CHANGELOG.md

@@ -28,11 +28,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Pass index settings to system ingest processor factories. ([#18708](https://github.com/opensearch-project/OpenSearch/pull/18708))
 - Include named queries from rescore contexts in matched_queries array ([#18697](https://github.com/opensearch-project/OpenSearch/pull/18697))
 - Add the configurable limit on rule cardinality ([#18663](https://github.com/opensearch-project/OpenSearch/pull/18663))
-- Use S3CrtClient for higher throughput while uploading files to S3 ([#18535](https://github.com/opensearch-project/OpenSearch/pull/18663))
 - [Experimental] Start in "clusterless" mode if a clusterless ClusterPlugin is loaded ([#18479](https://github.com/opensearch-project/OpenSearch/pull/18479))
 - [Star-Tree] Add star-tree search related stats ([#18707](https://github.com/opensearch-project/OpenSearch/pull/18707))
 - Add support for plugins to profile information ([#18656](https://github.com/opensearch-project/OpenSearch/pull/18656))
-- Use S3CrtClient for higher throughput while uploading files to S3 ([#18535](https://github.com/opensearch-project/OpenSearch/pull/18663))
+- Use S3CrtClient for higher throughput while uploading files to S3 ([#18535](https://github.com/opensearch-project/OpenSearch/issues/18535))
 
 ### Changed
 - Update Subject interface to use CheckedRunnable ([#18570](https://github.com/opensearch-project/OpenSearch/issues/18570))