Update @fs/eslint-config-frontier-react (#25)

- [x] consume real version (11.4.0) of @fs/eslint-config-frontier-react

Use VsCode's diff instead of GitHub's to see the changes more clearly.

The stylistic rules are from v10 of eslint-config-prettier.

@fs/eslint-config-frontier-react@11.4.0 changelog:
- Update deps
- jest/no-disabled-tests warn -> error
- Add cypress mocha linting rule

Author: FSVetaz