Update Graal version
Update Graal version

Commit 450a15eb2bc0d6a0c55b33f5ba8941be36ec13a9 fixes a bug that occurs when running Sulong on certain benchmarks.

lxp/sulong,lxp/sulong,PrinzKatharina/sulong,PrinzKatharina/sulong,lxp/sulong,PrinzKatharina/sulong,lxp/sulong,PrinzKatharina/sulong