Bump serde from 1.0.138 to 1.0.139

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.138 to 1.0.139.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](serde-rs/serde@v1.0.138...v1.0.139)

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

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

Author: dependabot[bot]

Cargo.lock

@@ -19,7 +19,7 @@ env_logger = "0.9"
 anyhow = "1.0.58"
 log = "0.4"
 semver = "1.0" # Keep in sync with version pulled by Cargo
-serde = { version = "1.0.138", features = ["derive"] }
+serde = { version = "1.0.139", features = ["derive"] }
 serde_json = "1.0.82"
 quote = "1.0.10"
 proc-macro2 = "1.0.32"