Bump html-validate from 10.9.0 to 10.12.1

Bumps [html-validate](https://gitlab.com/html-validate/html-validate) from 10.9.0 to 10.12.1.
- [Release notes](https://gitlab.com/html-validate/html-validate/tags)
- [Changelog](https://gitlab.com/html-validate/html-validate/blob/master/CHANGELOG.md)
- [Commits](https://gitlab.com/html-validate/html-validate/compare/v10.9.0...v10.12.1)

---
updated-dependencies:
- dependency-name: html-validate
  dependency-version: 10.12.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -1,7 +1,7 @@
 {
   "devDependencies": {
     "browser-sync": "^3.0.4",
-    "html-validate": "^10.9.0",
+    "html-validate": "^10.12.1",
     "html-minifier": "^4.0.0",
     "sass": "^1.99.0"
   }