chore(deps): bump serde from 1.0.98 to 1.0.99

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.98 to 1.0.99.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.98...v1.0.99)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Cargo.toml

@@ -24,7 +24,7 @@ lazy_static = "1.3.0"
 libc = "0.2.62"
 log = "0.4.8"
 pretty_env_logger = "0.3.1"
-serde = "1.0.98"
+serde = "1.0.99"
 serde_json = "1.0.40"
 structopt = "0.2.18"
 tokio = "0.1.22"