update eslint, flow and mocha

Author: koddsson

package.json

@@ -36,7 +36,7 @@
     "@typescript-eslint/eslint-plugin": "^1.3.0",
     "@typescript-eslint/parser": "^1.3.0",
     "babel-eslint": ">=8.2.0",
-    "eslint-config-prettier": "^5.1.0",
+    "eslint-config-prettier": "^6.0.0",
     "eslint-plugin-eslint-comments": ">=3.0.1",
     "eslint-plugin-flowtype": ">=2.49.3",
     "eslint-plugin-graphql": ">=3.0.1",
@@ -63,9 +63,9 @@
     "prettier.config.js"
   ],
   "devDependencies": {
-    "eslint": "^5.16.0",
-    "flow-bin": "^0.74.0",
+    "eslint": "^6.0.1",
+    "flow-bin": "^0.102.0",
     "graphql": "^14.0.2",
-    "mocha": "^5.1.0"
+    "mocha": "^6.1.4"
   }
 }