Upgrade OpenSearch to 1.3.7 to mitigate CVE-2022-42889

In BSERV-13534 commons-text usages were upgraded in the Bitbucket Webapp to mitigate against CVE-2022-42889 (although Bitbucket WebApp was actually unaffected). The bundled OpenSearch should also be updated to 1.3.7 when it is released. The release date is currently scheduled for 13-Dec-2022: https://opensearch.org/releases.html

References:

• https://github.com/opensearch-project/OpenSearch/issues/5126
• https://github.com/opensearch-project/OpenSearch/issues/5094