Update refs for LHCb!2423 (improve position stability in calculateClusterEXY)
Update the references for LHCb!2423 (merged) from lhcb-master-mr 507:
- Rec/Brunel/tests/refs/brunel-upgrade-baseline.ref
- Rec/Brunel/tests/refs/brunel-upgrade-datachallenge_def.ref
Edited by Rosen Matev