message: Update backend dependencies reported by greenkeeper
  (obsoletes and
diff: "errorhandler": "~1.5",
  "express": "~4.16.4",
  "express-jwt": "0.1.3",
  - "express-rate-limit": "~3.5.0",
  + "express-rate-limit": "^3.5.1",
  "express-robots-txt": "~0.4",
  "express-security.txt": "~2.0",
  "file-stream-rotator": "~0.4.1",
  "finale-rest": "^1.0.3",
  "file-type": "~4.4",
  - "fs-extra": "~7.0.0",
  + "fs-extra": "^8.0.1",
  "glob": "~7.1.3",
  "grunt": "~1.0",
  "grunt-contrib-compress": "~1.5.0",
  "morgan": "~1.9.1",
  "multer": "~1.4.1",
  "node-pre-gyp": "^0.13.0",
  - "notevil": "~1.2.0",
  + "notevil": "^1.3.1",
  "otplib": "^11.0.0",
  "pdfkit": "~0.9.1",
  "portscanner": "^2.2.0",
  "lcov-result-merger": "~3.1.0",
  "mocha": "~6.1.3",
  "node-fetch": "2.1.2",
  - "nyc": "~14.1.0",
  + "nyc": "^14.1.1",
  "protractor": "^5.4.2",
  "shelljs": "~0.8.3",
  "sinon": "~7.3.1",
  