debugger: Improve Go support (#31559)

Supersedes https://github.com/zed-industries/zed/pull/31345 
This PR does not have any terminal/console related stuff so that it can
be solved separately.

Introduces inline hints in debugger:
<img width="1141" alt="image"
src="https://github.com/user-attachments/assets/b0575f1e-ddf8-41fe-8958-2da6d4974912"
/>
Adds locators for go, so that you can your app in debug mode:
<img width="706" alt="image"
src="https://github.com/user-attachments/assets/df29bba5-8264-4bea-976f-686c32a5605b"
/>
As well is allows you to specify an existing compiled binary:
<img width="604" alt="image"
src="https://github.com/user-attachments/assets/548f2ab5-88c1-41fb-af84-115a19e685ea"
/>

Release Notes:

- Added inline value hints for Go debugging, displaying variable values
directly in the editor during debug sessions
- Added Go debug locator support, enabling debugging of Go applications
through task templates
- Improved Go debug adapter to support both source debugging (mode:
"debug") and binary execution (mode: "exec") based on program path

cc @osiewicz, @Anthony-Eid

crates/project/src/debugger/dap_store.rs

@@ -104,6 +104,7 @@ impl DapStore {
             let registry = DapRegistry::global(cx);
             registry.add_locator(Arc::new(locators::cargo::CargoLocator {}));
             registry.add_locator(Arc::new(locators::python::PythonLocator));
+            registry.add_locator(Arc::new(locators::go::GoLocator {}));
         });
         client.add_entity_request_handler(Self::handle_run_debug_locator);
         client.add_entity_request_handler(Self::handle_get_debug_adapter_binary);