Update dependency grunt-shell to v3 (#22387)

package-lock.json

@@ -5401,39 +5401,30 @@
       "dev": true
     },
     "grunt-shell": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/grunt-shell/-/grunt-shell-2.1.0.tgz",
-      "integrity": "sha1-Q595FZ7RHmSmUaacyKPQK+v17MI=",
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/grunt-shell/-/grunt-shell-3.0.1.tgz",
+      "integrity": "sha512-C8eR4frw/NmIFIwSvzSLS4wOQBUzC+z6QhrKPzwt/tlaIqlzH35i/O2MggVOBj2Sh1tbaAqpASWxGiGsi4JMIQ==",
       "dev": true,
       "requires": {
-        "chalk": "^1.0.0",
-        "npm-run-path": "^2.0.0"
+        "chalk": "^2.4.1",
+        "npm-run-path": "^2.0.0",
+        "strip-ansi": "^5.0.0"
       },
       "dependencies": {
-        "ansi-styles": {
-          "version": "2.2.1",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-          "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
+        "ansi-regex": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.0.0.tgz",
+          "integrity": "sha512-iB5Dda8t/UqpPI/IjsejXu5jOGDrzn41wJyljwPH65VCIbk6+1BzFIMJGFwTNrYXT1CrD+B4l19U7awiQ8rk7w==",
           "dev": true
         },
-        "chalk": {
-          "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
-          "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
+        "strip-ansi": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.0.0.tgz",
+          "integrity": "sha512-Uu7gQyZI7J7gn5qLn1Np3G9vcYGTVqB+lFTytnDJv83dd8T22aGH451P3jueT2/QemInJDfxHB5Tde5OzgG1Ow==",
           "dev": true,
           "requires": {
-            "ansi-styles": "^2.2.1",
-            "escape-string-regexp": "^1.0.2",
-            "has-ansi": "^2.0.0",
-            "strip-ansi": "^3.0.0",
-            "supports-color": "^2.0.0"
+            "ansi-regex": "^4.0.0"
           }
-        },
-        "supports-color": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
-          "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-          "dev": true
         }
       }
     },

package.json

@@ -46,7 +46,7 @@
     "grunt-prompt": "1.3.3",
     "grunt-rtlcss": "2.0.1",
     "grunt-sass": "3.0.2",
-    "grunt-shell": "2.1.0",
+    "grunt-shell": "3.0.1",
     "grunt-stylelint": "0.10.1",
     "grunt-wp-i18n": "1.0.3",
     "istanbul": "1.0.0-alpha.2",