Build/Test Tools: Update the several dependencies.

This updates the following dependencies:

- `grunt` from `1.3.0` to `1.4.0`.
- `grunt-legacy-util` from `2.0.0` to `2.0.1`.
- `sass` from `1.32.11` to `1.32.12`.
- `sinon-test` from `3.0.0` to `3.1.0`.
- `uglify-js` from `3.13.4` to `3.13.6`.

See #52624.

git-svn-id: https://develop.svn.wordpress.org/trunk@50843 602fd350-edb4-49c9-b593-d223f7449a82

package.json

@@ -36,7 +36,7 @@
 		"cssnano": "4.1.11",
 		"dotenv": "8.2.0",
 		"dotenv-expand": "5.1.0",
-		"grunt": "~1.3.0",
+		"grunt": "~1.4.0",
 		"grunt-banner": "^0.6.0",
 		"grunt-contrib-clean": "~2.0.0",
 		"grunt-contrib-concat": "1.0.1",
@@ -51,7 +51,7 @@
 		"grunt-includes": "~1.1.0",
 		"grunt-jsdoc": "2.4.1",
 		"grunt-jsvalidate": "~0.2.2",
-		"grunt-legacy-util": "^2.0.0",
+		"grunt-legacy-util": "^2.0.1",
 		"grunt-patch-wordpress": "~3.0.0",
 		"grunt-postcss": "~0.9.0",
 		"grunt-replace-lts": "~1.1.0",
@@ -63,11 +63,11 @@
 		"matchdep": "~2.0.0",
 		"prettier": "npm:wp-prettier@2.0.5",
 		"qunit": "~2.15.0",
-		"sass": "^1.32.11",
+		"sass": "^1.32.12",
 		"sinon": "~10.0.0",
-		"sinon-test": "~3.0.0",
+		"sinon-test": "~3.1.0",
 		"source-map-loader": "^1.1.3",
-		"uglify-js": "^3.13.4",
+		"uglify-js": "^3.13.6",
 		"uglifyjs-webpack-plugin": "2.2.0",
 		"uuid": "8.3.2",
 		"wait-on": "5.3.0",