chore: Fix yarn install warnings

[pahund]

Outdated dependencies need to be updated, see console output when running a yarn install:

warning @babel/cli > @nicolo-ribaudo/chokidar-2 > braces > snapdragon > source-map-resolve > resolve-url@0.2.1: https://github.com/lydell/resolve-url#deprecated
warning @babel/cli > @nicolo-ribaudo/chokidar-2 > braces > snapdragon > source-map-resolve > urix@0.1.0: Please see https://github.com/lydell/urix#deprecated
warning babel-eslint@10.1.0: babel-eslint is now @babel/eslint-parser. This package will no longer receive updates.
warning coveralls > request@2.88.2: request has been deprecated, see https://github.com/request/request/issues/3142
warning coveralls > request > har-validator@5.1.5: this library is no longer supported
warning enzyme > cheerio > cheerio-select-tmp@0.1.1: Use cheerio-select instead
warning jest > jest-cli > jest-config > jest-environment-jsdom > jsdom > request@2.88.2: request has been deprecated, see https://github.com/request/request/issues/3142
warning jest > jest-cli > jest-config > jest-environment-jsdom > jsdom > request-promise-native@1.0.9: request-promise-native has been deprecated because it extends the now deprecated request package, see https://github.com/request/request/issues/3142
warning webpack > watchpack > watchpack-chokidar2 > chokidar@2.1.8: Chokidar 2 will break on node v14+. Upgrade to chokidar 3 with 15x less dependencies.
warning webpack > watchpack > watchpack-chokidar2 > chokidar > fsevents@1.2.13: fsevents 1 will break on node v14+ and could be using insecure binaries. Upgrade to fsevents 2.
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warning " > chai-enzyme@1.0.0-beta.1" has unmet peer dependency "cheerio@0.19.x || 0.20.x || 0.22.x || ^1.0.0-0".
warning " > check-prop-types@1.1.2" has incorrect peer dependency "prop-types@<=15.6.0".