rustc-perf

c6383236 - Bump serde from 1.0.100 to 1.0.101

Bump serde from 1.0.100 to 1.0.101 Bumps [serde](https://github.com/serde-rs/serde) from 1.0.100 to 1.0.101. - [Release notes](https://github.com/serde-rs/serde/releases) - [Commits](https://github.com/serde-rs/serde/compare/v1.0.100...v1.0.101) Signed-off-by: dependabot-preview[bot] <support@dependabot.com>