:arrow_up: Bump webpacker from 5.0.1 to 5.1.0
:arrow_up: Bump webpacker from 5.0.1 to 5.1.0

Bumps [webpacker](https://github.com/rails/webpacker) from 5.0.1 to 5.1.0.
- [Release notes](https://github.com/rails/webpacker/releases)
- [Changelog](https://github.com/rails/webpacker/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rails/webpacker/compare/v5.0.1...v5.1.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
ledermann/docker-rails,ledermann/docker-rails,ledermann/docker-rails,ledermann/docker-rails