Bump acorn from 6.2.1 to 6.4.1 (#52)
Bump acorn from 6.2.1 to 6.4.1 (#52)

Bumps [acorn](https://github.com/acornjs/acorn) from 6.2.1 to 6.4.1.
- [Release notes](https://github.com/acornjs/acorn/releases)
- [Commits](https://github.com/acornjs/acorn/compare/6.2.1...6.4.1)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
rawilk/vue-context,rawilk/vue-context