debugger: Add args argument to debugger launch config (#27953)

This also fixes a bug where debug cargo test code actions would debug
all tests in a mod instead of a specific test

Release Notes:

- N/A

crates/dap_adapters/src/python.rs

@@ -130,6 +130,7 @@ impl DebugAdapter for PythonDebugAdapter {
             DebugRequestType::Launch(launch_config) => {
                 json!({
                     "program": launch_config.program,
+                    "args": launch_config.args,
                     "subProcess": true,
                     "cwd": launch_config.cwd,
                     "redirectOutput": true,