Bump loofah from 2.17.0 to 2.18.0

Bumps loofah from 2.17.0 to 2.18.0.

Release notes

Sourced from loofah's releases.

2.18.0 / 2022-05-11

Features

• Allow CSS property aspect-ratio. [#236] (Thanks, @louim!)

Changelog

Sourced from loofah's changelog.

2.18.0 / 2022-05-11

Features

• Allow CSS property aspect-ratio. [#236] (Thanks, @louim!)

Commits

• a0caaf0 version bump to v2.18.0
• bd5bc7c Merge pull request #237 from flavorjones/flavorjones-fix-2.5-ci
• 0c08ea5 ci: do not fail fast
• 4963914 Merge pull request #236 from louim/patch-1
• 8a4d85d Add aspect-ratio to the list of css properties
• d3e82c1 update README to remove pledgie link
• c8ae0a4 Merge pull request #235 from flavorjones/flavorjones-update-tests-for-libxml_...
• 303ff07 test: ensure we pass with libxml 2.9.14
• See full diff in compare view