doc: add issue for news from ambassadors

Signed-off-by: Michael Dawson <midawson@redhat.com>
PR-URL: nodejs#53607
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Moshe Atlow <moshe@atlow.co.il>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>

doc/contributing/sharing-project-news.md

@@ -33,3 +33,4 @@ that promotes a specific company or commercial interest.
 * [security-team](https://github.com/nodejs/security-wg/issues/1006).
 * [Website team](https://github.com/nodejs/nodejs.org/issues/5602).
 * [diagnostics team](https://github.com/nodejs/diagnostics/issues/619).
+* [ambassadors](https://github.com/nodejs/nodejs-ambassadors/issues/2).