Bump postgrex from 0.15.6 to 0.15.7 (#113)
Bump postgrex from 0.15.6 to 0.15.7 (#113)

Bumps [postgrex](https://github.com/elixir-ecto/postgrex) from 0.15.6 to 0.15.7.
- [Release notes](https://github.com/elixir-ecto/postgrex/releases)
- [Changelog](https://github.com/elixir-ecto/postgrex/blob/master/CHANGELOG.md)
- [Commits](https://github.com/elixir-ecto/postgrex/compare/v0.15.6...v0.15.7)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>

Co-authored-by: dependabot-preview[bot] <6a4c1c4838f800d1998274cd5234e1f65c55e90c@users.noreply.github.com>
izelnakri/paper_trail