Update Jim's RC ID in MAINTAINERS.rst

Change-Id: I7ca219887a680fc738aec207b0a538c081046a60
Signed-off-by: Jim Zhang <jzhang@us.ibm.com>

Author: jimthematrix

MAINTAINERS.rst

@@ -4,7 +4,7 @@ Maintainers
 +---------------------------+---------------------+------------------+----------------+-------------------------------------+
 | Name                      | Gerrit              | GitHub           | RocketChat     | email                               |
 +===========================+=====================+==================+================+=====================================+
-| Jim Zhang                 | jimthematrix        | jimthematrix     | jzhang         | jim\_the\_matrix@hotmail.com        |
+| Jim Zhang                 | jimthematrix        | jimthematrix     | jimthematrix   | jim\_the\_matrix@hotmail.com        |
 +---------------------------+---------------------+------------------+----------------+-------------------------------------+
 | Srinivasan Muralidharan   | muralisr            | muralisrini      | muralisr       | srinivasan.muralidharan99@gmail.com |
 +---------------------------+---------------------+------------------+----------------+-------------------------------------+