How to upgrade nodejs in OpenSearch Dashboards

Versions (relevant - OpenSearch/Dashboard/Server OS/Browser):
OS -
2.4.0
Node.js -
14.20.0

Describe the issue:
we’ve found a lot of CVE’s within the opensearch-dashboard node.js 14.20,
and we would like to update the node.js to 14.21.1

is it possible and supported?
or do I must upgrade entire opensearch + opensearch-dashboards?
if its possible, can you send a guide explaining how to do it?

Configuration:

Relevant Logs or Screenshots: