Bump select2-rails from 4.0.3 to 4.0.13
Bump select2-rails from 4.0.3 to 4.0.13

Bumps [select2-rails](https://github.com/argerim/select2-rails) from 4.0.3 to 4.0.13.
- [Release notes](https://github.com/argerim/select2-rails/releases)
- [Commits](https://github.com/argerim/select2-rails/compare/v4.0.3...v4.0.13)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
rdunlop/unicycling-rulebook,rdunlop/unicycling-rulebook,rdunlop/unicycling-rulebook,rdunlop/unicycling-rulebook