Bump html-proofer from 3.15.3 to 3.16.0
Bump html-proofer from 3.15.3 to 3.16.0

Bumps [html-proofer](https://github.com/gjtorikian/html-proofer) from 3.15.3 to 3.16.0.
- [Release notes](https://github.com/gjtorikian/html-proofer/releases)
- [Commits](https://github.com/gjtorikian/html-proofer/compare/v3.15.3...v3.16.0)

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