doc: add Ruben to TSC

Signed-off-by: Michael Dawson <michael_dawson@ca.ibm.com>

PR-URL: #32213
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Matheus Marchini <mat@mmarchini.me>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

README.md

@@ -157,6 +157,8 @@ For information about the governance of the Node.js project, see
 **Anatoli Papirovski** <apapirovski@mac.com> (he/him)
 * [BethGriggs](https://github.com/BethGriggs) -
 **Beth Griggs** <Bethany.Griggs@uk.ibm.com> (she/her)
+* [BridgeAR](https://github.com/BridgeAR) -
+**Ruben Bridgewater** <ruben@bridgewater.de> (he/him)
 * [ChALkeR](https://github.com/ChALkeR) -
 **Сковорода Никита Андреевич** <chalkerx@gmail.com> (he/him)
 * [cjihrig](https://github.com/cjihrig) -