github: Add tpambor to contributors

Add @tpambor to the 'contributors' team as per the contribution
nomination zephyrproject-rtos/zephyr#92841.

Signed-off-by: Stephanos Ioannidis <[email protected]>

Author: stephanosio

terraform/github-zephyrproject-rtos/team/team-members/contributors.csv

@@ -277,6 +277,7 @@ tmalhotr,member
 tobonex,member
 TomChang19,member
 tosk-ot,member
+tpambor,member
 Tronil,member
 tsvehagen,member
 ujfalusi,member