Updated opensearch-py to reflect the latest OpenSearch API spec (2024-03-22) (#702)

Signed-off-by: GitHub <[email protected]>
Co-authored-by: saimedhi <[email protected]>

opensearchpy/client/plugins.py

@@ -12,6 +12,7 @@ from typing import Any
 
 from ..plugins.alerting import AlertingClient
 from ..plugins.index_management import IndexManagementClient
+from ..plugins.knn import KnnClient
 from .client import Client
 from .utils import NamespacedClient
 
@@ -22,6 +23,7 @@ class PluginsClient(NamespacedClient):
 
     def __init__(self, client: Client) -> None:
         super(PluginsClient, self).__init__(client)
+        self.knn = KnnClient(client)
         # self.query_workbench = QueryWorkbenchClient(client)
         # self.reporting = ReportingClient(client)
         # self.notebooks = NotebooksClient(client)