Bump grunt from 0.4.2 to 1.5.3 in /php/js/jquery-ui-themes-1.11.4

Bumps [grunt](https://github.com/gruntjs/grunt) from 0.4.2 to 1.5.3.
- [Release notes](https://github.com/gruntjs/grunt/releases)
- [Changelog](https://github.com/gruntjs/grunt/blob/main/CHANGELOG)
- [Commits](gruntjs/grunt@v0.4.2...v1.5.3)

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

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

php/js/jquery-ui-themes-1.11.4/package.json

@@ -62,7 +62,7 @@
 	"dependencies": {},
 	"devDependencies": {
 		"commitplease": "1.6.0",
-		"grunt": "0.4.2",
+		"grunt": "1.5.3",
 		"grunt-bowercopy": "1.1.0",
 		"grunt-compare-size": "0.4.0",
 		"grunt-contrib-concat": "0.1.3",