doc: update email address for Richard Lau

Author: richardlau

README.md

@@ -14,7 +14,7 @@ Primary GPG keys for Node.js Releasers (some Releasers sign with subkeys):
   [`8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600`](./keys/8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600.asc)
 * **Rafael Gonzaga** <<rafael.nunu@hotmail.com>>
   [`890C08DB8579162FEE0DF9DB8BEAB4DFCF555EF4`](./keys/890C08DB8579162FEE0DF9DB8BEAB4DFCF555EF4.asc)
-* **Richard Lau** <<rlau@redhat.com>>
+* **Richard Lau** <<richard.lau@ibm.com>>
   [`C82FA3AE1CBEDC6BE46B9360C43CEC45C17AB93C`](./keys/C82FA3AE1CBEDC6BE46B9360C43CEC45C17AB93C.asc)
 * **Ruy Adorno** <<ruyadorno@hotmail.com>>
   [`108F52B48DB57BB0CC439B2997B01419BD92F80A`](./keys/108F52B48DB57BB0CC439B2997B01419BD92F80A.asc)