fix express dependence

package.json

@@ -118,7 +118,7 @@
     "@types/blessed": "^0.1.10",
     "@types/blue-tape": "^0.1.0",
     "@types/cuid": "^1.3.0",
-    "@types/express": "^4.0.0",
+    "@types/express": "^4.11.1",
     "@types/fluent-ffmpeg": "^2.1.0",
     "@types/glob": "^5.0.0p",
     "@types/mime": "^2.0.0",
@@ -145,7 +145,7 @@
     "coveralls": "^3.0.0",
     "cross-env": "^5.0.0",
     "eslint": "^4.8.0",
-    "express": "^4.15.0",
+    "express": "^4.16.3",
     "finis": "^0.4.1",
     "fluent-ffmpeg": "^2.1.0",
     "git-scripts": "git+https://github.com/nkzawa/git-scripts.git",