Bump regex from 1.11.1 to 1.12.2 in /sync-server

Bumps [regex](https://github.com/rust-lang/regex) from 1.11.1 to 1.12.2.
- [Release notes](https://github.com/rust-lang/regex/releases)
- [Changelog](https://github.com/rust-lang/regex/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-lang/regex/compare/1.11.1...1.12.2)

---
updated-dependencies:
- dependency-name: regex
  dependency-version: 1.12.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

sync-server/Cargo.toml

@@ -24,7 +24,7 @@ sqlx = { version = "0.8.6", features = ["sqlite", "runtime-tokio", "uuid", "chro
 chrono = { version = "0.4.41", features = ["serde"] }
 rand = "0.9.0"
 sanitize-filename = "0.6.0"
-regex = "1.11.1"
+regex = "1.12.2"
 clap = { version = "4.5.38", features = ["derive"] }
 futures = "0.3.31"
 serde_yaml = "0.9.34"