Update link to Rust GDExtension bindings

Author: PgBiel

tutorials/scripting/gdextension/what_is_gdextension.rst

@@ -97,7 +97,7 @@ The bindings below are developed and maintained by the community:
 
 - `D <https://github.com/godot-dlang/godot-dlang>`__
 - `Haxe <https://hxgodot.github.io/>`__
-- `Rust <https://github.com/godot-rust/gdextension>`__
+- `Rust <https://github.com/godot-rust/gdext>`__
 - `Swift <https://github.com/migueldeicaza/SwiftGodot>`__
 
 .. note::