Fix/security vulnerabilities

[olivertso]

Upgrade dependencies to fix some security vulnerabilities.

• Upgrade lodash to version 4.17.21 or later.
  • CVE-2021-23337
  • CVE-2020-8203
  • CVE-2019-10744
• Upgrade mongodb to version 3.1.13 or later.
  • GHSA-mh5c-679w-hh4r
• Upgrade mongoose to version 5.7.5 or later.
  • CVE-2019-17426
• Upgrade apollo-server-express to version 2.14.2 or later.
  • GHSA-w42g-7vfc-xf37
• Upgrade node-fetch to version 2.6.1 or later.
  • CVE-2020-15168