doc: add guybedford to collaborators

README.md

@@ -366,6 +366,8 @@ For more information about the governance of the Node.js project, see
 **Gibson Fahnestock** <gibfahn@gmail.com> (he/him)
 * [gireeshpunathil](https://github.com/gireeshpunathil) -
 **Gireesh Punathil** <gpunathi@in.ibm.com> (he/him)
+* [guybedford](https://github.com/guybedford) -
+**Guy Bedford** <guybedford@gmail.com> (he/him)
 * [hashseed](https://github.com/hashseed) -
 **Yang Guo** <yangguo@chromium.org> (he/him)
 * [iarna](https://github.com/iarna) -