Code style updates in Gruntfile.js

Author: mgol

Gruntfile.js

@@ -227,11 +227,11 @@ grunt.initConfig( {
 		options: {
 			puppeteer: {
 				ignoreDefaultArgs: true,
-					args: [
-						"--headless",
-						"--disable-web-security",
-						"--allow-file-access-from-files"
-					]
+				args: [
+					"--headless",
+					"--disable-web-security",
+					"--allow-file-access-from-files"
+				]
 			},
 			inject: [
 				require.resolve("grunt-contrib-qunit/chrome/bridge")