build(deps): bump serde from 1.0.208 to 1.0.209

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.208 to 1.0.209.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](serde-rs/serde@v1.0.208...v1.0.209)

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

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

Cargo.toml

@@ -29,7 +29,7 @@ log = "0.4.22"
 logging_timer = "1.1.1"
 pretty_env_logger = "0.5.0"
 quick-xml = { version = "0.36.1", features = ["serialize"] }
-serde = { version = "1.0.208", features = ["derive"] }
+serde = { version = "1.0.209", features = ["derive"] }
 serde_json = { version = "1.0.125", features = ["preserve_order"] }
 shellexpand = "3.1.0"
 walkdir = "2.5.0"