build: Updating mediawiki/minus-x to 0.3.2

Additional change:
* Enable eslint caching.

Change-Id: I7a887752e160e3fc913394695f3166659dada039

.gitignore

@@ -5,3 +5,4 @@
 node_modules/
 /vendor
 composer.lock
+/.eslintcache

Gruntfile.js

@@ -14,7 +14,8 @@ module.exports = function ( grunt ) {
 		banana: conf.MessagesDirs,
 		eslint: {
 			options: {
-				extensions: [ '.js', '.json' ]
+				extensions: [ '.js', '.json' ],
+				cache: true
 			},
 			all: [
 				'**/*.js{,on}',

composer.json

@@ -3,7 +3,7 @@
 		"jakub-onderka/php-parallel-lint": "1.0.0",
 		"jakub-onderka/php-console-highlighter": "0.3.2",
 		"mediawiki/mediawiki-codesniffer": "28.0.0",
-		"mediawiki/minus-x": "0.3.1",
+		"mediawiki/minus-x": "0.3.2",
 		"mediawiki/mediawiki-phan-config": "0.8.0"
 	},
 	"scripts": {