Attila Krasznahorkay authored Sep 30, 2020 and Oana Vickey Boeriu committed Sep 30, 2020

The project by now depends on this generator, but without specifying
its version explicitly, it was not possible to easily build code
against the AthDerivation nightly/release while using this external.
(Since the "user build" would likely pick a different version of
YODA than what was used for the AthDerivation build.)