doc: add Ruben Bridgewater to release team

PR-URL: #23432
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>

README.md

@@ -548,6 +548,8 @@ GPG keys used to sign Node.js releases:
 `C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8`
 * **Rod Vagg** <rod@vagg.org>
 `DD8F2338BAE7501E3DD5AC78C273792F7D83545D`
+* **Ruben Bridgewater** <ruben@bridgewater.de>
+`A48C2BEE680E841632CD4E44F07496B3EB3C1762`
 
 To import the full set of trusted release keys:
 
@@ -561,6 +563,7 @@ gpg --keyserver pool.sks-keyservers.net --recv-keys FD3A5288F042B6850C66B31F09FE
 gpg --keyserver pool.sks-keyservers.net --recv-keys 8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600
 gpg --keyserver pool.sks-keyservers.net --recv-keys C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8
 gpg --keyserver pool.sks-keyservers.net --recv-keys DD8F2338BAE7501E3DD5AC78C273792F7D83545D
+gpg --keyserver pool.sks-keyservers.net --recv-keys A48C2BEE680E841632CD4E44F07496B3EB3C1762
 ```
 
 See the section above on [Verifying Binaries](#verifying-binaries) for how to