Update required version of Node in bin/rendertron (#485)
Update required version of Node in bin/rendertron (#485)

according to `package.json` (https://github.com/GoogleChrome/rendertron/blob/d1bcb13422395264f3f39aa2a1b5ec83438c681e/package.json#L8) Rendertron requires Node.js >= 10 to work, seems to be reasonble to bump its version in bin/rendertron
GoogleChrome/rendertron,GoogleChrome/rendertron,GoogleChrome/rendertron