Bumps [acorn](https://github.com/acornjs/acorn) from 5.7.3 to 5.7.4.
- [Release notes](https://github.com/acornjs/acorn/releases)
- [Commits](https://github.com/acornjs/acorn/compare/5.7.3...5.7.4

)

Signed-off-by: dependabot[bot] <support@github.com>

* Bump deps. Upgrade to the latest version of Create React App.

* Update client index

* Update wording

* deps(react): update react scripts to latest version

* update dependencies in yarn lock

* Upgrade to Symfony 4.3

* Update to Symfony 4.3

* Migrating from 1.1.0 to 2.0.1

* default Jest environment

* update client service worker

* migrate admin create-react-app to v2

* update package version check

* react-scripts ^2.0.1 > ^2.0.3