Bump html-proofer from 3.17.4 to 3.18.2

Bumps [html-proofer](https://github.com/gjtorikian/html-proofer) from 3.17.4 to 3.18.2.
- [Release notes](https://github.com/gjtorikian/html-proofer/releases)
- [Commits](https://github.com/gjtorikian/html-proofer/compare/v3.17.4...v3.18.2)
8 jobs for dependabot/bundler/html-proofer-3.18.2 in 2 minutes and 45 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Build
passed build:latest #203482

00:00:54

passed build:production #203485

00:01:15

passed build:production:review-apps #203484

00:01:16

passed build:production:subpath #203483

00:01:53

 
  Test
passed test:htmlproofer #203486

00:01:15

passed test:htmlproofer:subpath #203487

00:00:48

 
  Review
passed review #203488
review-apps

00:00:02

passed stop_review #203489
review-apps manual

00:00:00