Update dev deps

Author: kristerkari

package.json

@@ -15,13 +15,13 @@
   },
   "devDependencies": {
     "@babel/cli": "^7.2.3",
-    "@babel/core": "^7.3.3",
-    "@babel/preset-env": "^7.3.1",
-    "babel-jest": "^24.1.0",
-    "coveralls": "^3.0.2",
+    "@babel/core": "^7.3.4",
+    "@babel/preset-env": "^7.3.4",
+    "babel-jest": "^24.3.1",
+    "coveralls": "^3.0.3",
     "husky": "^1.3.1",
-    "jest": "^24.1.0",
-    "lint-staged": "^8.1.4",
+    "jest": "^24.3.1",
+    "lint-staged": "^8.1.5",
     "npmpub": "^4.1.0",
     "prettier": "^1.16.4"
   },