chore: bump serde from 1.0.209 to 1.0.210

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.209 to 1.0.210.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](serde-rs/serde@v1.0.209...v1.0.210)

---
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

@@ -35,7 +35,7 @@ libc = "0.2.158"
 nix = { version = "0.29.0", features = ["signal"] }
 rust-ini = "0.21.1"
 sd-listen-fds = "0.2.0"
-serde = { version = "1.0.209", features = ["derive"] }
+serde = { version = "1.0.210", features = ["derive"] }
 serde_json = "1.0.127"
 tokio = { version = "1.40.0", features = ["full"] }
 tokio-fd = "0.3.0"