Fix to include static settings in addition to dynamic repo metadata s…

…ettings during s3 plugin reload (#10452) (#10455)

(cherry picked from commit 4fee40d)

Signed-off-by: vikasvb90 <vikasvb@amazon.com>

plugins/repository-s3/src/main/java/org/opensearch/repositories/s3/S3Repository.java

@@ -460,9 +460,8 @@ public void reload(RepositoryMetadata newRepositoryMetadata) {
         readRepositoryMetadata();
 
         // Reload configs for S3RepositoryPlugin
-        final Map<String, S3ClientSettings> clientsSettings = S3ClientSettings.load(metadata.settings(), pluginConfigPath);
-        service.refreshAndClearCache(clientsSettings);
-        s3AsyncService.refreshAndClearCache(clientsSettings);
+        service.settings(metadata);
+        s3AsyncService.settings(metadata);
 
         // Reload configs for S3BlobStore
         BlobStore blobStore = getBlobStore();