build: Updating grunt-stylelint to 0.11.1

Additional changes:
* Added .eslintcache to .gitignore.

Change-Id: I5e6a72e457fb656debdb721ed20b4d0efc5d4869

package-lock.json

@@ -2507,54 +2507,12 @@
 			}
 		},
 		"grunt-stylelint": {
-			"version": "0.10.1",
+			"version": "0.11.1",
-			"resolved": "https://registry.npmjs.org/grunt-stylelint/-/grunt-stylelint-0.10.1.tgz",
+			"resolved": "https://registry.npmjs.org/grunt-stylelint/-/grunt-stylelint-0.11.1.tgz",
-			"integrity": "sha512-7MAHUqySn2x0yCS4SEkrv5pVoTrP44j8IZGEF6UTQD9Nm7K96cGEhB6FFMWk+uXbRHiiU+c4s3B0h4rpT8nOyQ==",
+			"integrity": "sha512-DYq74oCsk6Q/fmUarv4CGrt6M/61yrtHRSM5FfrJy8uLFo+WQ/tiMWmROk+53Vvq3GWz8+m/Rz/Ne+Ag0QZvjw==",
 			"dev": true,
 			"requires": {
-				"chalk": "1.1.3"
+				"chalk": "2.4.2"
-			},
-			"dependencies": {
-				"ansi-regex": {
-					"version": "2.1.1",
-					"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-					"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-					"dev": true
-				},
-				"ansi-styles": {
-					"version": "2.2.1",
-					"resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-					"integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-					"dev": true
-				},
-				"chalk": {
-					"version": "1.1.3",
-					"resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
-					"integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
-					"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"
-					}
-				},
-				"strip-ansi": {
-					"version": "3.0.1",
-					"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-					"integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-					"dev": true,
-					"requires": {
-						"ansi-regex": "^2.0.0"
-					}
-				},
-				"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
-				}
 			}
 		},
 		"grunt-svgmin": {

package.json

@@ -15,7 +15,7 @@
 		"grunt-banana-checker": "0.6.0",
 		"grunt-contrib-watch": "1.1.0",
 		"grunt-eslint": "21.0.0",
-		"grunt-stylelint": "0.10.1",
+		"grunt-stylelint": "0.11.1",
 		"grunt-svgmin": "5.0.0",
 		"stylelint-config-wikimedia": "0.6.0",
 		"wdio-mediawiki": "0.4.0",