[WIP] Update package-lock.json management and dependencies

[Codex]

• Remove package-lock.json, ignore it, and disable lockfile generation
• Update package.json (Volta node 22.22.1, HTMLHint 1.9.2, prettier script uses npx prettier@3)
• Refresh GitHub Actions (CodeQL v4.33.0, remove VALIDATE_HTML from super-linter)
• Tests: npm test

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Updates</issue_title>
<issue_description>- Delete package-lock.json

• Prevent package-lock.json being generated in .npmrc
• In package.json change Volta Node version to 22.22.1
• In package.json update HTMLHint to 1.9.2
• Change npx prettier@3.5.3 to just npx prettier@3 (no need to specify exact version)
• In SuperLinter GitHub Action workflow remove VALIDATE_HTML: false
• Update GitHub Actions to latest verisons
• Add package-lock.json to .gitignore</issue_description>

Comments on the Issue (you are @codex[agent] in this section)

• Fixes Updates #287

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[github-actions]

Super-linter summary

Language	Validation result
PRE_COMMIT	Pass ✅
TRIVY	Pass ✅

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