doc: update release-stewards with last sec-release

PR-URL: #50179
Refs: nodejs-private/node-private#485
Reviewed-By: Richard Lau <[email protected]>
Reviewed-By: Tobias Nießen <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Benjamin Gruenbaum <[email protected]>
Reviewed-By: Matteo Collina <[email protected]>
Reviewed-By: Michael Dawson <[email protected]>

Author: RafaelGSS

doc/contributing/security-release-process.md

@@ -30,6 +30,7 @@ The current security stewards are documented in the main Node.js
 | RH and IBM   | Michael         | 2023-Feb-16  |
 | NearForm     | Rafael          | 2023-Jun-20  |
 | NearForm     | Rafael          | 2023-Aug-09  |
+| NearForm     | Rafael          | 2023-Oct-13  |
 | Datadog      | Bryan           |              |
 | IBM          | Joe             |              |
 | Platformatic | Matteo          |              |