Bump grunt from 0.4.5 to 1.5.3 in /public/resources/OwlCarousel2-2.3.4

Bumps [grunt](https://github.com/gruntjs/grunt) from 0.4.5 to 1.5.3.
- [Release notes](https://github.com/gruntjs/grunt/releases)
- [Changelog](https://github.com/gruntjs/grunt/blob/main/CHANGELOG)
- [Commits](https://github.com/gruntjs/grunt/compare/v0.4.5...v1.5.3)

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

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

public/resources/OwlCarousel2-2.3.4/package.json

@@ -26,7 +26,7 @@
     "assemble": "~0.4.37",
     "blanket": "^1.1.7",
     "foundation-sites": "~5.5.2",
-    "grunt": "^0.4.5",
+    "grunt": "^1.5.3",
     "grunt-autoprefixer": "^3.0.3",
     "grunt-banner": "^0.4.0",
     "grunt-blanket-qunit": "^0.2.0",