doc: add link to news for Node.js core

Signed-off-by: Michael Dawson <mdawson@devrus.com>
PR-URL: nodejs#47704
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
Reviewed-By: Debadree Chatterjee <debadree333@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>

doc/contributing/sharing-project-news.md

@@ -27,5 +27,6 @@ that promotes a specific company or commercial interest.
 
 ## Teams doing updates
 
+* [Node.js core](https://github.com/orgs/nodejs/discussions/47703).
 * [node-api/node-addon-api](https://github.com/nodejs/abi-stable-node/issues/446).
 * [node-api/uvwasi](https://github.com/nodejs/uvwasi/issues/201).