add m1 support

Add prebuilt packages for aarch64-darwin (m1) (#579)

Now that new GH runners are M1 macs, we need to have suitable libraries
for them as well.

Bump secp256k1 release

What's Changed

• bump libsecp256k1 to 0.3.2 by @angerman in #541

Full Changelog: v2.1...v2.2

v2 hotfix

What's Changed

• Update Debian package with epoch 0 by @angerman in #540

Full Changelog: v2...v2.1

Second release.

What's Changed

• cleanup legacy environments by @disassembler in #535
• cardano-lib: restore testnet configs for benchmarking by @disassembler in #536
• Add fix-stylish-haskell script by @jbgi in #444
• Drop old, envs; update from cardano-world. by @angerman in #534

Full Changelog: v1...v2

v1

This is the working v1