Update dependencies to fix npm audit vulnerabilitys

[de-dan]

Hey there, the title says it all. Please update the dependencies and release a new version on npm.

Below is the npm audit report.

Thank you in advance!

npm audit report

node-fetch <=2.6.0 || 3.0.0-beta.1 - 3.0.0-beta.8 Denial of Service - https://npmjs.com/advisories/1556 fix available via npm audit fix --force Will install unsemantic@1.1.3, which is a breaking change node_modules/node-fetch isomorphic-fetch 2.0.0 - 2.2.1 Depends on vulnerable versions of node-fetch node_modules/isomorphic-fetch fbjs 0.7.0 - 1.0.0 Depends on vulnerable versions of isomorphic-fetch node_modules/fbjs react 15.0.0-rc.1 - 16.4.2 Depends on vulnerable versions of fbjs node_modules/react unsemantic >=1.2.0 Depends on vulnerable versions of react node_modules/unsemantic

5 low severity vulnerabilities

[de-dan]

Created Pull Request: https://github.com/nathansmith/unsemantic/pull/105

Please review

[nathansmith]

cc: @de-dan

Reviewing now. Sorry for the delay.