Bump dependabot-omnibus from 0.117.7 to 0.118.4 in /.

Can't show this merge request because the source branch dependabot/bundler/dot-/master/dependabot-omnibus-0.118.4 is missing from project georgekoltsov-multiple-projects-test-4/imported-project-ef029319134ab099. Close this merge request or update the source branch.