Bump bootstrap from 4.5.3 to 4.6.0 (#2566)
Bump bootstrap from 4.5.3 to 4.6.0 (#2566)

Bumps [bootstrap](https://github.com/twbs/bootstrap-rubygem) from 4.5.3 to 4.6.0.
- [Release notes](https://github.com/twbs/bootstrap-rubygem/releases)
- [Changelog](https://github.com/twbs/bootstrap-rubygem/blob/master/CHANGELOG.md)
- [Commits](https://github.com/twbs/bootstrap-rubygem/compare/v4.5.3...v4.6.0)

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

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
octobox/octobox,octobox/octobox,octobox/octobox,octobox/octobox