* Add callable mappings feature * Implement mgps.validate (void procedure) * Make '_' a valid variable name
* Add `--replication-restore-state-on-startup` with `false` as default Co-authored-by: Aidar Samerkhanov <aidar.samerkhanov@memgraph.io> Co-authored-by: Andi Skrgat <andi8647@gmail.com>