Build arm64 darwin binaries

[igorwwwwwwwwwwwwwwwwwwww]

We introduced arm64 for linux in #1851. But we don't have them for darwin.

With the rise of M1 / Apple Silicon, it'd be nice to provide binaries for that architecture.

[stale]

Hello 👋 Looks like there was no activity on this issue for the last two months.
Do you mind updating us on the status? Is this still reproducible or needed? If yes, just comment on this PR or push a commit. Thanks! 🤗
If there will be no activity in the next two weeks, this issue will be closed (we can always reopen an issue if we need!). Alternatively, use remind command if you wish to be reminded at some point in future.

[igorwwwwwwwwwwwwwwwwwwww]

This is still relevant.

[stale]

Hello 👋 Looks like there was no activity on this issue for the last two months.
Do you mind updating us on the status? Is this still reproducible or needed? If yes, just comment on this PR or push a commit. Thanks! 🤗
If there will be no activity in the next two weeks, this issue will be closed (we can always reopen an issue if we need!). Alternatively, use remind command if you wish to be reminded at some point in future.

[igorwwwwwwwwwwwwwwwwwwww]

This is still relevant.