Merge pull request #19 from lowmess/dependabot/npm_and_yarn/ajv-6.12.6

:arrow_up: Bump minimist and mkdirp

:arrow_up: Bump json5 from 1.0.1 to 1.0.2

:arrow_up: Bump simple-git and lint-staged

:arrow_up: Bump decode-uri-component from 0.2.0 to 0.2.2

:arrow_up: Bump css-what from 2.1.2 to 2.1.3

:arrow_up: Bump tar from 4.4.8 to 4.4.19

:arrow_up: Bump ws from 5.2.2 to 5.2.3