chore(deps-rs): update smol_str requirement in the minor group

Updates the requirements on [smol_str](https://github.com/rust-analyzer/smol_str) to permit the latest version.

Updates `smol_str` to 0.2.2
- [Changelog](https://github.com/rust-analyzer/smol_str/blob/master/CHANGELOG.md)
- [Commits](rust-analyzer/smol_str@v0.2.0...v0.2.2)

---
updated-dependencies:
- dependency-name: smol_str
  dependency-type: direct:production
  dependency-group: minor
...

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

Cargo.toml

@@ -49,7 +49,7 @@ rstest = "0.22.0"
 serde = "1.0"
 serde_json = "1.0.97"
 serde_yaml = "0.9.19"
-smol_str = "0.2.0"
+smol_str = "0.3.1"
 strum = "0.26.1"
 strum_macros = "0.26.1"
 thiserror = "1.0.28"