[Docker] Fix base container alias #15508
raspi-2.yaml
on: pull_request
Matrix: raspi-2-skia / build
Matrix: raspi-2 / build
Matrix: raspi-2-skia / on-device-test
Matrix: raspi-2-skia / on-host-test
Matrix: raspi-2 / on-device-test
Matrix: raspi-2 / on-host-test