Upgrade: Bump ejs, @hint/utils-tests-helpers and hint in /hints/jsll

Bumps [ejs](https://github.com/mde/ejs) to 3.1.9 and updates ancestor dependencies [ejs](https://github.com/mde/ejs), [@hint/utils-tests-helpers](https://github.com/webhintio/hint/tree/HEAD/packages/utils-tests-helpers) and [hint](https://github.com/webhintio/hint/tree/HEAD/packages/hint). These dependencies need to be updated together.


Updates `ejs` from 2.6.1 to 3.1.9
- [Release notes](https://github.com/mde/ejs/releases)
- [Commits](https://github.com/mde/ejs/compare/v2.6.1...v3.1.9)

Updates `@hint/utils-tests-helpers` from 1.0.1 to 6.5.4
- [Release notes](https://github.com/webhintio/hint/releases)
- [Changelog](https://github.com/webhintio/hint/blob/main/packages/utils-tests-helpers/CHANGELOG.md)
- [Commits](https://github.com/webhintio/hint/commits/HEAD/packages/utils-tests-helpers)

Updates `hint` from 3.4.0 to 7.1.8
- [Release notes](https://github.com/webhintio/hint/releases)
- [Changelog](https://github.com/webhintio/hint/blob/main/packages/hint/CHANGELOG.md)
- [Commits](https://github.com/webhintio/hint/commits/HEAD/packages/hint)

---
updated-dependencies:
- dependency-name: ejs
  dependency-type: indirect
- dependency-name: "@hint/utils-tests-helpers"
  dependency-type: direct:development
- dependency-name: hint
  dependency-type: direct:development
...

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

hints/jsll/package.json

@@ -18,7 +18,7 @@
   "description": "webhint hint to validate Microsoft's JSLL usage.",
   "devDependencies": {
     "@hint/parser-javascript": "^1.0.1",
-    "@hint/utils-tests-helpers": "^1.0.1",
+    "@hint/utils-tests-helpers": "^6.5.4",
     "@types/debug": "0.0.30",
     "@types/node": "^10.10.1",
     "async-retry": "^1.2.1",
@@ -28,7 +28,7 @@
     "eslint-plugin-markdown": "^1.0.0-beta.8",
     "eslint-plugin-typescript": "^0.12.0",
     "express": "^4.16.2",
-    "hint": "^3.4.0",
+    "hint": "^7.1.8",
     "lodash.clonedeep": "^4.5.0",
     "markdownlint-cli": "^0.13.0",
     "npm-link-check": "^2.0.0",
@@ -57,7 +57,7 @@
   "name": "webhint-hint-jsll",
   "peerDependencies": {
     "@hint/parser-javascript": "^1.0.1",
-    "hint": "^3.4.0"
+    "hint": "^7.1.8"
   },
   "repository": "Microsoft/webhint-hints-microsoft",
   "scripts": {