Resolves #761.

ssl passes 46/168 tests. 108 fail due to inability to start a socket and another 14 failing with attribute errors due to missing library functions.

### Checklists

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

Add cryptography, openssl, and _ssl packages. Resolves #761.

ssl passes 46/168 tests. 108 fail due to inability to start a socket and another 14 failing with attribute errors due to missing library functions.

### Checklists

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

from pyodide_build.testing import run_in_pyodide


@run_in_pyodide(packages=["Jinja2"])
def test_jinja2():
    import jinja2

    template = jinja2.Template("Hello {{ name }}!")
    content = template.render(name="Zach")
    assert content == "Hello Zach!"

from pyodide_build.testing import run_in_pyodide


@run_in_pyodide(packages=["Jinja2"])
def test_jinja2():
    import jinja2

    template = jinja2.Template("Hello {{ name }}!")
    content = template.render(name="Zach")
    assert content == "Hello Zach!"
