Update Deprecated Backend Dependencies

[jpoehnelt]

The following are some of the warnings when running the docker file for the backend:

• [ ] npm WARN deprecated [email protected]: Typings is deprecated in favor of NPM @types -- see README for more information
• [ ] npm WARN deprecated [email protected]: This module is no longer maintained, try this instead: npm i nyc Visit https://istanbul.js.org/integrations for other alternatives.
• [ ] npm WARN deprecated [email protected]: CircularJSON is in maintenance only, flatted is its successor.
• [ ] npm WARN deprecated [email protected]: Please use the native JSON object instead of JSON 3
• [ ] npm WARN deprecated [email protected]: Use agent option with popsicle directl