Bump postgresql from 42.1.4 to 42.2.6
Bump postgresql from 42.1.4 to 42.2.6

Bumps [postgresql](https://github.com/pgjdbc/pgjdbc) from 42.1.4 to 42.2.6.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](https://github.com/pgjdbc/pgjdbc/compare/REL42.1.4...REL42.2.6)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
NCI-Agency/anet,NCI-Agency/anet,NCI-Agency/anet,NCI-Agency/anet,NCI-Agency/anet