maintainers: Add fundakol as twister collaborator

Lukasz Fundakowski is a python expert with an interest in
testing frameworks and coding standards. He is a valuable
reviewer with attention to details. He had a major impact on
design and implementation of the pytest plugin for twister.

Signed-off-by: Maciej Perkowski <maciej.perkowski@nordicsemi.no>

MAINTAINERS.yml

@@ -5277,6 +5277,7 @@ Twister:
     - gchwier
     - LukaszMrugala
     - KamilxPaszkiet
+    - fundakol
   files:
     - scripts/twister
     - scripts/schemas/twister/