build(deps): bump pest_derive from 2.7.15 to 2.8.0

Bumps [pest_derive](https://github.com/pest-parser/pest) from 2.7.15 to 2.8.0.
- [Release notes](https://github.com/pest-parser/pest/releases)
- [Commits](https://github.com/pest-parser/pest/compare/v2.7.15...v2.8.0)

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

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

crates/i18n/Cargo.toml

@@ -23,7 +23,7 @@ icu_provider_adapters = { version = "1.5.0", features = ["std"] }
 icu_experimental = { version = "0.1.0", features = ["compiled_data", "std"] }
 pad = "0.1.6"
 pest = "2.8.0"
-pest_derive = "2.7.15"
+pest_derive = "2.8.0"
 serde.workspace = true
 serde_json.workspace = true
 thiserror.workspace = true