Bump postgresql from 42.2.2.jre7 to 42.2.5 in /src/server
Bump postgresql from 42.2.2.jre7 to 42.2.5 in /src/server

Bumps [postgresql](https://github.com/pgjdbc/pgjdbc) from 42.2.2.jre7 to 42.2.5.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](https://github.com/pgjdbc/pgjdbc/commits/REL42.2.5)
thelastpickle/cassandra-reaper,thelastpickle/cassandra-reaper,thelastpickle/cassandra-reaper,thelastpickle/cassandra-reaper,thelastpickle/cassandra-reaper