This continues #211 Changes are on the [upgrade](https://github.com/servo/stylo/commits/upgrade) branch Changelog: - Upstream: https://github.com/servo/stylo/compare/fe9eadf47bc771d5f7e4ab5908370400dea47568...ec21cec41ca58bd8c994a18d53d88bab78229b0c - Servo fixups: https://github.com/servo/stylo/compare/29052e550f20ecc6bf0b7aa8aeb955c0bf681e2f...7f8df16fddb15b6ac9097f8ab25caffff1a7095e Servo PR: https://github.com/servo/servo/pull/38429