Update dependency grunt-html to v12 - autoclosed

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
grunt-html	^10.1.0 -> ^12.0.0

---

Release Notes

validator/grunt-html (grunt-html)

v12.3.0

Compare Source

v12.2.1

Compare Source

• Update vnu-jar to v20.2.28
• Regenerate package-lock.json

v12.2.0

Compare Source

Update dependencies

• async 3.2.0
• vnu-jar 20.2.25
• grunt-contrib-nodeunit 2.1.0

v12.1.0

Compare Source

v12.0.0

Compare Source

• drop Node.js 6.x support
• update chalk to v3.0.0
• update devDependencies and switch to using xo directly

v11.1.1

Compare Source

v11.1.0

Compare Source

v11.0.0

Compare Source

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.