Bump dotenv-rails from 2.7.2 to 2.7.4 (#11170)
Bumps [dotenv-rails](https://github.com/bkeepers/dotenv) from 2.7.2 to 2.7.4.
- [Release notes](https://github.com/bkeepers/dotenv/releases)
- [Changelog](https://github.com/bkeepers/dotenv/blob/master/Changelog.md)
- [Commits](https://github.com/bkeepers/dotenv/compare/v2.7.2...v2.7.4)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>