add Luis as a maintainer (#7603)

Signed-off-by: garyschulte <[email protected]>
Co-authored-by: Sally MacFarlane <[email protected]>

Author: garyschulte

MAINTAINERS.md

@@ -22,6 +22,7 @@
 | Justin Florentine| jflo             | RoboCopsGoneMad  |
 | Jason Frame      | jframe           | jframe           |
 | Joshua Fernandes | joshuafernandes  | joshuafernandes  |
+| Luis Pinto       | lu-pinto         | lu-pinto
 | Lucas Saldanha   | lucassaldanha    | lucassaldanha    |
 | Sally MacFarlane | macfarla         | macfarla         |
 | Karim Taam       | matkt            | matkt            |