fix: upgrade multiple dependencies with Snyk

Snyk has created this PR to upgrade:
  - react from 16.8.4 to 16.14.0.
    See this package in npm: https://www.npmjs.com/package/react
  - react-dom from 16.8.4 to 16.14.0.
    See this package in npm: https://www.npmjs.com/package/react-dom
  - chalk from 2.3.0 to 2.4.2.
    See this package in npm: https://www.npmjs.com/package/chalk
  - codemirror from 5.60.0 to 5.65.17.
    See this package in npm: https://www.npmjs.com/package/codemirror
  - deep-equal from 1.0.1 to 1.1.2.
    See this package in npm: https://www.npmjs.com/package/deep-equal
  - dompurify from 2.3.3 to 2.5.6.
    See this package in npm: https://www.npmjs.com/package/dompurify
  - dugite from 1.104.0 to 1.110.0.
    See this package in npm: https://www.npmjs.com/package/dugite
  - event-kit from 2.4.0 to 2.5.3.
    See this package in npm: https://www.npmjs.com/package/event-kit
  - focus-trap-react from 8.1.0 to 8.11.3.
    See this package in npm: https://www.npmjs.com/package/focus-trap-react
  - fs-admin from 0.19.0 to 0.20.0.
    See this package in npm: https://www.npmjs.com/package/fs-admin
  - fs-extra from 9.0.1 to 9.1.0.
    See this package in npm: https://www.npmjs.com/package/fs-extra
  - keytar from 7.7.0 to 7.9.0.
    See this package in npm: https://www.npmjs.com/package/keytar
  - marked from 3.0.7 to 3.0.8.
    See this package in npm: https://www.npmjs.com/package/marked
  - moment from 2.24.0 to 2.30.1.
    See this package in npm: https://www.npmjs.com/package/moment
  - mri from 1.1.0 to 1.2.0.
    See this package in npm: https://www.npmjs.com/package/mri
  - p-limit from 2.2.0 to 2.3.0.
    See this package in npm: https://www.npmjs.com/package/p-limit
  - primer-support from 4.3.0 to 4.7.2.
    See this package in npm: https://www.npmjs.com/package/primer-support
  - react-transition-group from 4.4.1 to 4.4.5.
    See this package in npm: https://www.npmjs.com/package/react-transition-group
  - react-virtualized from 9.20.0 to 9.22.5.
    See this package in npm: https://www.npmjs.com/package/react-virtualized
  - registry-js from 1.15.0 to 1.16.0.
    See this package in npm: https://www.npmjs.com/package/registry-js
  - source-map-support from 0.4.18 to 0.5.21.
    See this package in npm: https://www.npmjs.com/package/source-map-support
  - textarea-caret from 3.0.2 to 3.1.0.
    See this package in npm: https://www.npmjs.com/package/textarea-caret
  - tslib from 2.0.0 to 2.6.3.
    See this package in npm: https://www.npmjs.com/package/tslib
  - untildify from 3.0.2 to 3.0.3.
    See this package in npm: https://www.npmjs.com/package/untildify
  - uuid from 3.1.0 to 3.4.0.
    See this package in npm: https://www.npmjs.com/package/uuid
  - winston from 2.3.1 to 2.4.7.
    See this package in npm: https://www.npmjs.com/package/winston

See this project in Snyk:
https://app.snyk.io/org/monica-a-nbcu/project/55142b81-7d26-48e2-9cb1-2f31f0a7b7c5?utm_source=github&utm_medium=referral&page=upgrade-pr