Generate search pipeline requests (#1442)

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

Author: Xtansia

CHANGELOG.md

@@ -43,6 +43,7 @@ This section is for maintaining a changelog for all breaking changes for the cli
 
 ## [Unreleased 2.x]
 ### Added
+- Added support for the Search Pipeline APIs ([#1442](https://github.com/opensearch-project/opensearch-java/pull/1442))
 
 ### Dependencies
 

java-client/src/generated/java/org/opensearch/client/opensearch/OpenSearchAsyncClientBase.java

@@ -101,6 +101,7 @@
 import org.opensearch.client.opensearch.ingest.OpenSearchIngestAsyncClient;
 import org.opensearch.client.opensearch.ml.OpenSearchMlAsyncClient;
 import org.opensearch.client.opensearch.nodes.OpenSearchNodesAsyncClient;
+import org.opensearch.client.opensearch.search_pipeline.OpenSearchSearchPipelineAsyncClient;
 import org.opensearch.client.opensearch.snapshot.OpenSearchSnapshotAsyncClient;
 import org.opensearch.client.opensearch.tasks.OpenSearchTasksAsyncClient;
 import org.opensearch.client.transport.OpenSearchTransport;
@@ -147,6 +148,10 @@ public OpenSearchNodesAsyncClient nodes() {
         return new OpenSearchNodesAsyncClient(this.transport, this.transportOptions);
     }
 
+    public OpenSearchSearchPipelineAsyncClient searchPipeline() {
+        return new OpenSearchSearchPipelineAsyncClient(this.transport, this.transportOptions);
+    }
+
     public OpenSearchSnapshotAsyncClient snapshot() {
         return new OpenSearchSnapshotAsyncClient(this.transport, this.transportOptions);
     }