Bump chrono from 0.4.41 to 0.4.42 in /sync-server

Bumps [chrono](https://github.com/chronotope/chrono) from 0.4.41 to 0.4.42.
- [Release notes](https://github.com/chronotope/chrono/releases)
- [Changelog](https://github.com/chronotope/chrono/blob/main/CHANGELOG.md)
- [Commits](https://github.com/chronotope/chrono/compare/v0.4.41...v0.4.42)

---
updated-dependencies:
- dependency-name: chrono
  dependency-version: 0.4.42
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

sync-server/Cargo.toml

@@ -22,7 +22,7 @@ tracing = "0.1.41"
 tracing-subscriber = { version = "0.3.20", features = ["fmt", "env-filter"]}
 humantime-serde = "1.1.1"
 sqlx = { version = "0.8.6", features = ["sqlite", "runtime-tokio", "uuid", "chrono"] }
-chrono = { version = "0.4.41", features = ["serde"] }
+chrono = { version = "0.4.42", features = ["serde"] }
 rand = "0.9.0"
 sanitize-filename = "0.6.0"
 regex = "1.12.2"