Bump serde from 1.0.208 to 1.0.209 in the all group

Bumps the all group with 1 update: [serde](https://github.com/serde-rs/serde).


Updates `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
  dependency-group: all
...

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

Cargo.toml

@@ -12,7 +12,7 @@ clap = { version = "4.5", features = ["derive", "env"] }
 futures-util = { version = "^0.3.30", features = ["sink"] }
 hashbrown = { version = "0.14", features = ["serde"] }
 openssl = "^0.10.66"
-serde = { version = "^1.0.208", features = ["derive"] }
+serde = { version = "^1.0.209", features = ["derive"] }
 tikv-jemallocator = "0.6"
 tokio = { version = "^1.39.3", features = ["rt", "rt-multi-thread", "macros", "net", "signal", "io-util"] }
 tokio-util = { version = "^0.7.11", features = ["codec"] }