Update isolang requirement from 0.2 to 1.0

Updates the requirements on [isolang](https://github.com/humenda/isolang-rs) to permit the latest version.
- [Release notes](https://github.com/humenda/isolang-rs/releases)
- [Commits](https://github.com/humenda/isolang-rs/commits/1.0.0)

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

Cargo.toml

@@ -11,7 +11,7 @@ categories = ["web-programming", "web-programming::http-client", "api-bindings"]
 
 [dependencies]
 doc-comment = "0.1"
-isolang = { version = "0.2", features = ["serde_serialize"] }
+isolang = { version = "1.0", features = ["serde_serialize"] }
 reqwest = "0.9"
 serde = "1"
 serde_derive = "1"