Bump html-proofer from 3.18.8 to 3.19.0

Bumps html-proofer from 3.18.8 to 3.19.0.

Release notes

Sourced from html-proofer's releases.

v3.19.0

• Support hydra config on CLI #632

Commits

• 3e79177 bump to 3.19.0
• f5cc410 Merge pull request #632 from patcon/patch-1
• b274614 Fixed spec tests.
• bdf2484 Ensure config keys are symbolized when parsing JSON from CLI.
• 1707bd7 Added --hydra-config flag to override concurrency from CLI.
• 101059f let push through
• See full diff in compare view

added dependencies ruby labels

mentioned in merge request !187 (merged)

merged

mentioned in commit 8d2529f7