Build(deps): Bump serde_yaml from 0.8.20 to 0.8.21

Bumps [serde_yaml](https://github.com/dtolnay/serde-yaml) from 0.8.20 to 0.8.21.
- [Release notes](https://github.com/dtolnay/serde-yaml/releases)
- [Commits](dtolnay/serde-yaml@0.8.20...0.8.21)

---
updated-dependencies:
- dependency-name: serde_yaml
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.lock

@@ -35,7 +35,7 @@ rand = "0.8.4"
 rayon = "1.5.1"
 serde = { version = "1.0.130", features = ["derive"] }
 serde_json = "1.0.67"
-serde_yaml = "0.8.20"
+serde_yaml = "0.8.21"
 signal-hook = "0.3.10"
 toml = "0.5.8"