[Distutils] Migrating Hashes from MD5 to SHA256

[Vinay Sajip]

> From: Donald Stufft <donald at stufft.io>

> Yes they will change to have #sha256=…. instead of #md5=...
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> Here we are a little more flexible. I can leave the md5_digest key there and
> simply add a sha256_digest key.
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> Again more flexible. I can simply add a show_sha256 action.
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> Typically it's left up to us. We often just work and deploy changes without
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Thanks for the update, it'll help me to update distlib when the time comes.

Regards,

Vinay Sajip