docs(maintainers): add Andre to active maintainer

Missing update in #3919

Signed-off-by: André Augusto <[email protected]>

Author: AndreAugusto11

MAINTAINERS.md

@@ -11,13 +11,15 @@ Maintainers
 | Venkatraman Ramakrishna | [VRamakrishna][VRamakrishna] | vramaiitkgp |
 | Sandeep Nishad | [sandeepnRES][sandeepnRES] | sandeepn |
 | Rafael Belchior | [RafaelAPB][RafaelAPB] | rafaelapb |
+| André Augusto | [AndreAugusto11][AndreAugusto11] | andreaugusto |
 
 [izuru0]: https://github.com/izuru0
 [outSH]: https://github.com/outSH
 [takeutak]: https://github.com/takeutak
 [VRamakrishna]: https://github.com/VRamakrishna
 [sandeepnRES]: https://github.com/sandeepnRES
 [RafaelAPB]: https://github.com/RafaelAPB
+[AndreAugusto11]: https://github.com/AndreAugusto11
 
 **Emeritus Maintainers**