debugger: Run debug scenarios from package.json (#32958)

Release Notes:

- New session modal for a debugger will now show tasks from package.json
as debuggable scenarios

---------

Co-authored-by: Remco Smits <djsmits12@gmail.com>
Co-authored-by: Anthony Eid <hello@anthonyeid.me>

crates/languages/src/json/config.toml

@@ -10,6 +10,6 @@ brackets = [
 ]
 tab_size = 2
 prettier_parser_name = "json"
-
+debuggers = ["JavaScript"]
 [overrides.string]
 completion_query_characters = [":", " "]