Bump cryptography from 37.0.2 to 37.0.4 (#20)
    
    Bumps [cryptography](https://github.com/pyca/cryptography) from 37.0.2 to 37.0.4.

    - [Release notes](https://github.com/pyca/cryptography/releases)

    - [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)

    - [Commits](https://github.com/pyca/cryptography/compare/37.0.2...37.0.4)

    

    ---

    updated-dependencies:

    - dependency-name: cryptography

      dependency-type: direct:production

      update-type: version-update:semver-patch

    ...

    

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