Update widestring requirement from 0.5.1 to 1.0.2

Updates the requirements on [widestring](/~https://github.com/starkat99/widestring-rs) to permit the latest version.
- [Release notes](/~https://github.com/starkat99/widestring-rs/releases)
- [Changelog](/~https://github.com/starkat99/widestring-rs/blob/main/CHANGELOG.md)
- [Commits](starkat99/widestring-rs@v0.5.1...v1.0.2)

---
updated-dependencies:
- dependency-name: widestring
  dependency-type: direct:production
...

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

Cargo.toml

@@ -53,7 +53,7 @@ send_wrapper = "0.6"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0.61"
 rayon = "1.6.1"
-widestring = "0.5.1"
+widestring = "1.0.2"
 
 [build-dependencies]
 pyo3-build-config = { path = "pyo3-build-config", version = "0.20.0", features = ["resolve-config"] }