build(deps-dev): bump eslint-plugin-html in /frontend (#841)

Bumps [eslint-plugin-html](https://github.com/BenoitZugmeyer/eslint-plugin-html) from 6.1.1 to 6.1.2.
- [Release notes](https://github.com/BenoitZugmeyer/eslint-plugin-html/releases)
- [Changelog](https://github.com/BenoitZugmeyer/eslint-plugin-html/blob/master/CHANGELOG.md)
- [Commits](BenoitZugmeyer/eslint-plugin-html@v6.1.1...v6.1.2)

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

frontend/package-lock.json

@@ -33,7 +33,7 @@
     "eslint-config-standard": "^16.0.1",
     "eslint-loader": "^4.0.0",
     "eslint-plugin-fetch-options": "0.0.5",
-    "eslint-plugin-html": "^6.0.0",
+    "eslint-plugin-html": "^6.1.2",
     "eslint-plugin-mozilla": "^2.9.2",
     "eslint-plugin-no-unsanitized": "^3.0.2",
     "eslint-plugin-prettier": "^3.3.1",