Bump grunt from 1.4.1 to 1.5.3

Bumps [grunt](https://github.com/gruntjs/grunt) from 1.4.1 to 1.5.3.
- [Release notes](https://github.com/gruntjs/grunt/releases)
- [Changelog](https://github.com/gruntjs/grunt/blob/main/CHANGELOG)
- [Commits](gruntjs/grunt@v1.4.1...v1.5.3)

Closes gh-201

---
updated-dependencies:
- dependency-name: grunt
  dependency-type: direct:production
...

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

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

Author: dependabot[bot]

package-lock.json

@@ -22,7 +22,7 @@
   "dependencies": {
     "cheerio": "0.22.0",
     "download.jqueryui.com": "2.2.9",
-    "grunt": "1.4.1",
+    "grunt": "1.5.3",
     "grunt-cli": "1.4.3",
     "grunt-jquery-content": "3.1.0"
   }