Bump chrono from 0.4.38 to 0.4.39

Bumps [chrono](https://github.com/chronotope/chrono) from 0.4.38 to 0.4.39.
- [Release notes](https://github.com/chronotope/chrono/releases)
- [Changelog](https://github.com/chronotope/chrono/blob/main/CHANGELOG.md)
- [Commits](chronotope/chrono@v0.4.38...v0.4.39)

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

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

Author: dependabot[bot]

Cargo.lock

@@ -15,7 +15,7 @@ license = "MIT"
 python = ["dep:pyo3"]
 
 [dependencies]
-chrono = { version = "0.4.38", features = ["serde"] }
+chrono = { version = "0.4.39", features = ["serde"] }
 pyo3 = { version = "0.23.3", optional = true }
 serde = { version = "1.0.216", features = ["derive"] }
 serde-xml-rs = "0.6.0"