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

package:
  name: networkx
  version: 2.6.3
requirements:
  run:
    - decorator
    - setuptools
    - matplotlib
    - numpy
source:
  sha256: 80b6b89c77d1dfb64a4c7854981b60aeea6360ac02c6d4e4913319e0a313abef
  url: https://files.pythonhosted.org/packages/e9/93/aa6613aa70d6eb4868e667068b5a11feca9645498fd31b954b6c4bb82fa5/networkx-2.6.3-py3-none-any.whl
test:
  imports:
    - networkx
    - networkx.algorithms
    - networkx.algorithms.approximation
    - networkx.algorithms.assortativity
    - networkx.algorithms.bipartite
    - networkx.algorithms.centrality
    - networkx.algorithms.chordal
    - networkx.algorithms.coloring
    - networkx.algorithms.community
    - networkx.algorithms.components
    - networkx.algorithms.connectivity
    - networkx.algorithms.flow
    - networkx.algorithms.isomorphism
    - networkx.algorithms.link_analysis
    - networkx.algorithms.node_classification
    - networkx.algorithms.operators
    - networkx.algorithms.shortest_paths
    - networkx.algorithms.traversal
    - networkx.algorithms.tree
    - networkx.classes
    - networkx.drawing
    - networkx.generators
    - networkx.linalg
    - networkx.readwrite
    - networkx.readwrite.json_graph
    - networkx.utils

package:
  name: networkx
  version: 2.6.3
requirements:
  run:
    - decorator
    - setuptools
    - matplotlib
    - numpy
source:
  sha256: 80b6b89c77d1dfb64a4c7854981b60aeea6360ac02c6d4e4913319e0a313abef
  url: https://files.pythonhosted.org/packages/e9/93/aa6613aa70d6eb4868e667068b5a11feca9645498fd31b954b6c4bb82fa5/networkx-2.6.3-py3-none-any.whl
test:
  imports:
    - networkx
    - networkx.algorithms
    - networkx.algorithms.approximation
    - networkx.algorithms.assortativity
    - networkx.algorithms.bipartite
    - networkx.algorithms.centrality
    - networkx.algorithms.chordal
    - networkx.algorithms.coloring
    - networkx.algorithms.community
    - networkx.algorithms.components
    - networkx.algorithms.connectivity
    - networkx.algorithms.flow
    - networkx.algorithms.isomorphism
    - networkx.algorithms.link_analysis
    - networkx.algorithms.node_classification
    - networkx.algorithms.operators
    - networkx.algorithms.shortest_paths
    - networkx.algorithms.traversal
    - networkx.algorithms.tree
    - networkx.classes
    - networkx.drawing
    - networkx.generators
    - networkx.linalg
    - networkx.readwrite
    - networkx.readwrite.json_graph
    - networkx.utils
