Add basic PyEnv and pixi support for python environments (#37156)

cc https://github.com/zed-industries/zed/issues/29807

Release Notes:

- Fixed terminals and tasks not respecting python pyenv and pixi
environments

crates/project/src/debugger/dap_store.rs

@@ -276,7 +276,6 @@ impl DapStore {
                             &binary.arguments,
                             &binary.envs,
                             binary.cwd.map(|path| path.display().to_string()),
-                            None,
                             port_forwarding,
                         )
                     })??;