Bump OpenSearch version in README for open issues (opensearch-project#12895)

Signed-off-by: Craig Perkins <cwperx@amazon.com>
Signed-off-by: Shivansh Arora <hishiv@amazon.com>

Author: cwperks

README.md

@@ -7,8 +7,8 @@
 [![Security Vulnerabilities](https://img.shields.io/github/issues/opensearch-project/OpenSearch/security%20vulnerability?labelColor=red)](https://github.com/opensearch-project/OpenSearch/issues?q=is%3Aissue+is%3Aopen+label%3A"security%20vulnerability")
 [![Open Issues](https://img.shields.io/github/issues/opensearch-project/OpenSearch)](https://github.com/opensearch-project/OpenSearch/issues)
 [![Open Pull Requests](https://img.shields.io/github/issues-pr/opensearch-project/OpenSearch)](https://github.com/opensearch-project/OpenSearch/pulls)
-[![2.10 Open Issues](https://img.shields.io/github/issues/opensearch-project/OpenSearch/v2.10.0)](https://github.com/opensearch-project/OpenSearch/issues?q=is%3Aissue+is%3Aopen+label%3A"v2.10.0")
-[![3.0 Open Issues](https://img.shields.io/github/issues/opensearch-project/OpenSearch/v3.0.0)](https://github.com/opensearch-project/OpenSearch/issues?q=is%3Aissue+is%3Aopen+label%3A"v3.0.0")
+[![2.14.0 Open Issues](https://img.shields.io/github/issues/opensearch-project/OpenSearch/v2.14.0)](https://github.com/opensearch-project/OpenSearch/issues?q=is%3Aissue+is%3Aopen+label%3A"v2.14.0")
+[![3.0.0 Open Issues](https://img.shields.io/github/issues/opensearch-project/OpenSearch/v3.0.0)](https://github.com/opensearch-project/OpenSearch/issues?q=is%3Aissue+is%3Aopen+label%3A"v3.0.0")
 [![GHA gradle check](https://github.com/opensearch-project/OpenSearch/actions/workflows/gradle-check.yml/badge.svg)](https://github.com/opensearch-project/OpenSearch/actions/workflows/gradle-check.yml)
 [![GHA validate pull request](https://github.com/opensearch-project/OpenSearch/actions/workflows/wrapper.yml/badge.svg)](https://github.com/opensearch-project/OpenSearch/actions/workflows/wrapper.yml)
 [![GHA precommit](https://github.com/opensearch-project/OpenSearch/actions/workflows/precommit.yml/badge.svg)](https://github.com/opensearch-project/OpenSearch/actions/workflows/precommit.yml)