Bump grunt from 1.3.0 to 1.5.3

Bumps [grunt](https://github.com/gruntjs/grunt) from 1.3.0 to 1.5.3.
- [Release notes](https://github.com/gruntjs/grunt/releases)
- [Changelog](https://github.com/gruntjs/grunt/blob/main/CHANGELOG)
- [Commits](gruntjs/grunt@v1.3.0...v1.5.3)

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

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

Author: dependabot[bot]

package-lock.json

@@ -98,7 +98,7 @@
     "electron": "^3.1.13",
     "electron-builder": "^20.44.4",
     "eslint": "^5.13.0",
-    "grunt": "^1.0.1",
+    "grunt": "^1.5.3",
     "grunt-browserify": "^5.2.0",
     "grunt-bump": "^0.8.0",
     "grunt-cli": "^1.2.0",