[Dev Deps] update eslint, eclint

Author: ljharb

package.json

@@ -25,8 +25,8 @@
     },
     "devDependencies": {
         "concat-stream": "^1.6.2",
-        "eclint": "^2.7.0",
-        "eslint": "^4.19.1",
+        "eclint": "^2.8.1",
+        "eslint": "^5.11.1",
         "falafel": "^2.1.0",
         "js-yaml": "^3.12.0",
         "tap": "^8.0.1",