[FEATURE] opensearchpy layer

[Taku Takamatsu]

Is your feature request related to a problem? Please describe.
Hi - AWS recently updated their Elasticsearch product to Opensearch. With this, we'd like to use the opensearch-py client.

Describe the solution you'd like
Could we create a lambda layer for opensearch-py?
https://pypi.org/project/opensearch-py/

Additional context

** Additional Packages**:
Only fill this part if you're just requesting an additional package
https://pypi.org/project/opensearch-py/

Happy to test on multiple regions.

Thanks

[Keith Rozario]

If you would like a new package to be made a layer, raise a pull request modifying the pipeline/config/Klayers-prodp38 file.