[TASK] Update grunt and friends

This patch updates grunt and plugins to their latest version.

Executed command:

  yarn upgrade --pattern grunt --latest

Resolves: #89270
Releases: master
Change-Id: Ibc830d62115ba369afa15c459e93053985726c29
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/61807
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Frank Nägler <frank.naegler@typo3.org>
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Frank Nägler <frank.naegler@typo3.org>

Build/package.json

@@ -43,15 +43,15 @@
     "eonasdan-bootstrap-datetimepicker": "^4.17.47",
     "eslint": "^6.4.0",
     "font-awesome": "^4.7.0",
-    "grunt": "~1.0.1",
+    "grunt": "~1.0.4",
     "grunt-contrib-copy": "^1.0.0",
     "grunt-contrib-imagemin": "^3.1",
-    "grunt-contrib-watch": "~1.0.0",
+    "grunt-contrib-watch": "~1.1.0",
     "grunt-eslint": "^22.0.0",
-    "grunt-exec": "^2.0.0",
-    "grunt-lintspaces": "^0.8.5",
+    "grunt-exec": "^3.0.0",
+    "grunt-lintspaces": "^0.8.6",
     "grunt-npm-install": "^0.3.1",
-    "grunt-npmcopy": "^0.1.0",
+    "grunt-npmcopy": "^0.2.0",
     "grunt-postcss": "^0.9.0",
     "grunt-sass": "^3.1.0",
     "grunt-stylelint": "^0.11.0",