debugger: Specify runtimeExecutable in output of node locator (#32464)

This appears to fix some cases where we fail to launch JS tests under
the debugger.

Release Notes:

- N/A (node locator is still gated)

---------

Co-authored-by: Anthony Eid <hello@anthonyeid.me>
Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com>

crates/languages/Cargo.toml

@@ -88,7 +88,6 @@ tree-sitter-rust = { workspace = true, optional = true }
 tree-sitter-typescript = { workspace = true, optional = true }
 tree-sitter-yaml = { workspace = true, optional = true }
 util.workspace = true
-which.workspace = true
 workspace-hack.workspace = true
 
 [dev-dependencies]