Bump github.com/lib/pq from 1.6.0 to 1.7.0

Bumps [github.com/lib/pq](https://github.com/lib/pq) from 1.6.0 to 1.7.0.
- [Release notes](https://github.com/lib/pq/releases)
- [Commits](https://github.com/lib/pq/compare/v1.6.0...v1.7.0

)

Signed-off-by: dependabot[bot] <support@github.com>