intergrate opensearch v2 (#5044)

intergrate opensearch

Signed-off-by: chengdehao <dehaocheng@kubesphere.io>

Co-authored-by: chengdehao <dehaocheng@kubesphere.io>

vendor/github.com/opensearch-project/opensearch-go/v2/README.md

@@ -0,0 +1,47 @@
+[![Go Reference](https://pkg.go.dev/badge/github.com/opensearch-project/opensearch-go.svg)](https://pkg.go.dev/github.com/opensearch-project/opensearch-go)
+[![Build](https://github.com/opensearch-project/opensearch-go/actions/workflows/lint.yml/badge.svg)](https://github.com/opensearch-project/opensearch-go/actions/workflows/lint.yml)
+[![Unit](https://github.com/opensearch-project/opensearch-go/actions/workflows/test-unit.yml/badge.svg)](https://github.com/opensearch-project/opensearch-go/actions/workflows/test-unit.yml)
+[![Integration](https://github.com/opensearch-project/opensearch-go/actions/workflows/test-integration.yml/badge.svg)](https://github.com/opensearch-project/opensearch-go/actions/workflows/test-integration.yml)
+[![codecov](https://codecov.io/gh/opensearch-project/opensearch-go/branch/main/graph/badge.svg?token=MI9g3KYHVx)](https://codecov.io/gh/opensearch-project/opensearch-go)
+[![Chat](https://img.shields.io/badge/chat-on%20forums-blue)](https://discuss.opendistrocommunity.dev/c/clients/)
+![PRs welcome!](https://img.shields.io/badge/PRs-welcome!-success)
+
+![OpenSearch logo](OpenSearch.svg)
+
+OpenSearch Go Client
+
+- [Welcome!](#welcome)
+- [Project Resources](#project-resources)
+- [Code of Conduct](#code-of-conduct)
+- [License](#license)
+- [Copyright](#copyright)
+
+## Welcome!
+
+**opensearch-go** is [a community-driven, open source fork](https://aws.amazon.com/blogs/opensource/introducing-opensearch/) of go-elasticsearch licensed under the [Apache v2.0 License](LICENSE.txt). For more information, see [opensearch.org](https://opensearch.org/).
+
+## Project Resources
+
+* [Project Website](https://opensearch.org/)
+* [Developer Guide](DEVELOPER_GUIDE.md)
+* [User Guide](USER_GUIDE.md)
+* [Documentation](https://opensearch.org/docs/)
+* Need help? Try [Forums](https://discuss.opendistrocommunity.dev/c/clients/)
+* [Project Principles](https://opensearch.org/#principles)
+* [Contributing to OpenSearch](CONTRIBUTING.md)
+* [Maintainer Responsibilities](MAINTAINERS.md)
+* [Release Management](RELEASING.md)
+* [Admin Responsibilities](ADMINS.md)
+* [Security](SECURITY.md)
+
+## Code of Conduct
+
+This project has adopted the [Amazon Open Source Code of Conduct](CODE_OF_CONDUCT.md). For more information see the [Code of Conduct FAQ](https://aws.github.io/code-of-conduct-faq), or contact [opensource-codeofconduct@amazon.com](mailto:opensource-codeofconduct@amazon.com) with any additional questions or comments.
+
+## License
+
+This project is licensed under the [Apache v2.0 License](LICENSE.txt).
+
+## Copyright
+
+Copyright OpenSearch Contributors. See [NOTICE](NOTICE.txt) for details.