[BACKLOG-18047] set mondrian version to 8.0-SNAPSHOT
[BACKLOG-18047] set mondrian version to 8.0-SNAPSHOT

pedrofvteixeira/big-data-plugin,pentaho/big-data-plugin,tkafalas/big-data-plugin,kurtwalker/big-data-plugin,kurtwalker/big-data-plugin,e-cuellar/big-data-plugin,andrei-viaryshka/big-data-plugin,tkafalas/big-data-plugin,kurtwalker/big-data-plugin,smaring/big-data-plugin,pentaho-jrice/big-data-plugin,pentaho/big-data-plugin,rmansoor/big-data-plugin,smaring/big-data-plugin,tkafalas/big-data-plugin,rmansoor/big-data-plugin,pentaho/big-data-plugin,SergeyTravin/big-data-plugin,mkambol/big-data-plugin,rmansoor/big-data-plugin,smaring/big-data-plugin