Tom MacWright 2b035fd996 test: Remove Node 8 support
We need to upgrade vfile-reporter to fix TypeScript, and it includes a
module, string-width, that requires Node 8. And it's probably time:
so, we're now requiring Node 8.
2019-07-09 21:56:26 -07:00
..
2019-07-09 21:56:26 -07:00