Improve TypeScript task detection (#31711)

Parses project's package.json to better detect Jasmine, Jest, Vitest and
Mocha and `test`, `build` scripts presence.
Also tries to detect `pnpm` and `npx` as test runners, falls back to
`npm`.


https://github.com/user-attachments/assets/112d3d8b-8daa-4ba5-8cb5-2f483036bd98

Release Notes:

- Improved TypeScript task detection

crates/languages/src/go.rs

@@ -444,12 +444,13 @@ impl ContextProvider for GoContextProvider {
     fn build_context(
         &self,
         variables: &TaskVariables,
-        location: &Location,
+        location: ContextLocation<'_>,
         _: Option<HashMap<String, String>>,
         _: Arc<dyn LanguageToolchainStore>,
         cx: &mut gpui::App,
     ) -> Task<Result<TaskVariables>> {
         let local_abs_path = location
+            .file_location
             .buffer
             .read(cx)
             .file()