RAB Update: Paul -> Cedric

Author: bari12

docs/rucio_advisory_board.md

@@ -39,7 +39,7 @@ board meetings.
 | Community                           | Member                | Term                 |
 | ----------------------------------- | --------------------- | -------------------- |
 | [ATLAS](https://atlas.cern)         | David South, DESY     | 2023-Apr to 2025-Mar |
-| [Belle II](https://www.belle2.org)  | Paul Laycock, BNL     | 2023-Feb to 2025-Jan |
+| [Belle II](https://www.belle2.org)  | Cedric Serfon, BNL    | 2023-Jun to 2025-May |
 | [CMS](https://cms.cern)             | Katy Ellis, STFC      | 2023-Feb to 2025-Jan |
 | [DUNE](https://www.dunescience.org) | Mike Kirby, FNAL      | 2023-Feb to 2025-Jan |
 | [ESCAPE](https://projectescape.eu)  | Xavier Espinal, CERN  | 2023-Feb to 2025-Jan |
@@ -49,6 +49,7 @@ board meetings.
 | Community                           | Member                | Term                 |
 | ----------------------------------- | --------------------- | -------------------- |
 | [ATLAS](https://atlas.cern)         | David Cameron, U Oslo | 2023-Feb to 2023-Apr |
+| [Belle II](https://www.belle2.org)  | Paul Laycock, BNL     | 2023-Feb to 2023-Jun |
 
 ## Organisation