Bump ion-defs to modern version
Bump ion-defs to modern version

mkl-/scioncc,crchemist/scioncc,scionrep/scioncc,crchemist/scioncc,scionrep/scioncc,ooici/pyon,mkl-/scioncc,scionrep/scioncc,mkl-/scioncc,ooici/pyon,crchemist/scioncc