FIX Change rust packages not to build concurrently. ### Description

Resolve #3565

### Checklists

- [x] Add a [CHANGELOG](https://github.com/pyodide/pyodide/blob/main/docs/project/changelog.md) entry
- [x] Add / update tests

from pytest_pyodide import run_in_pyodide


@run_in_pyodide(packages=["pycryptodome"])
def test_pycryptodome(selenium):
    from Crypto.Hash import MD5

    hasher = MD5.new()
    hasher.update(b"Hello, World!")
    assert hasher.hexdigest() == "65a8e27d8879283831b664bd8b7f0ad4"

from pytest_pyodide import run_in_pyodide


@run_in_pyodide(packages=["pycryptodome"])
def test_pycryptodome(selenium):
    from Crypto.Hash import MD5

    hasher = MD5.new()
    hasher.update(b"Hello, World!")
    assert hasher.hexdigest() == "65a8e27d8879283831b664bd8b7f0ad4"
