chore: do not refer to Oracle in migrateAttributeRights script
chore: do not refer to Oracle in migrateAttributeRights script

Use "Perun DB" instead of "Oracle DB" in the script.

mvocu/perun,martin-kuba/perun,CESNET/perun,CESNET/perun,mvocu/perun,CESNET/perun,martin-kuba/perun,zlamalp/perun,mvocu/perun,zlamalp/perun,CESNET/perun,martin-kuba/perun,zlamalp/perun,martin-kuba/perun,mvocu/perun,zlamalp/perun,zlamalp/perun,mvocu/perun,zlamalp/perun,martin-kuba/perun,mvocu/perun,martin-kuba/perun,CESNET/perun,mvocu/perun,CESNET/perun,martin-kuba/perun,CESNET/perun,zlamalp/perun