Bump phoenix from 1.3.3 to 1.3.4
Bump phoenix from 1.3.3 to 1.3.4

Bumps [phoenix](https://github.com/phoenixframework/phoenix) from 1.3.3 to 1.3.4.
- [Release notes](https://github.com/phoenixframework/phoenix/releases)
- [Changelog](https://github.com/phoenixframework/phoenix/blob/master/CHANGELOG.md)
- [Commits](https://github.com/phoenixframework/phoenix/compare/v1.3.3...v1.3.4)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
lee-dohm/atom-style-tweaks,lee-dohm/atom-style-tweaks,lee-dohm/atom-style-tweaks,lee-dohm/atom-style-tweaks