Fix link in Quickstart (#6376)

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Author: echeran

tutorials/quickstart.md

@@ -163,7 +163,7 @@ This concludes this introduction tutorial. With the help of `DateTimeFormat`, `L
 
 Internationalization is a broad domain and there are many more components in `ICU4X`.
 
-Next, learn how to [generate optimized data for your binary](data_management.md), [configure your Cargo.toml file](rust.md), or continue exploring by reading [the docs](https://docs.rs/icu/latest/).
+Next, learn how to [generate optimized data for your binary](data_management.md), [configure your Cargo.toml file](cargo.md), or continue exploring by reading [the docs](https://docs.rs/icu/latest/).