Merge pull request #6006 from alphagov/dependabot/npm_and_yarn/html-validate-9.5.5

Bump html-validate from 9.5.3 to 9.5.5

Author: 36degrees

package-lock.json

@@ -77,7 +77,7 @@
     "govuk-prototype-kit": "^13.16.2",
     "gulp": "^5.0.0",
     "gulp-cli": "^3.0.0",
-    "html-validate": "9.5.3",
+    "html-validate": "9.5.5",
     "nunjucks": "^3.2.4",
     "outdent": "^0.8.0",
     "postcss": "^8.5.3",