📌 dependency(npm): upgrade eslint

Author: kazupon

package.json

@@ -24,7 +24,7 @@
     "conventional-changelog-cli": "^1.1.1",
     "conventional-github-releaser": "^1.1.3",
     "cross-spawn": "^4.0.0",
-    "eslint": "^3.4.0",
+    "eslint": "^3.12.2",
     "eslint-config-vue": "^1.1.0",
     "eslint-loader": "^1.3.0",
     "eslint-plugin-flowtype": "^2.16.0",