Update dependency express-fileupload to v1

Author: mend-for-github-com[bot]

package.json

@@ -17,7 +17,7 @@
     "csurf": "^1.9.0",
     "ejs": "^2.5.7",
     "express": "^4.16.2",
-    "express-fileupload": "^0.4.0",
+    "express-fileupload": "^1.1.8",
     "express-flash": "0.0.2",
     "express-session": "^1.15.6",
     "flash": "^1.1.0",