Add support for Linux arm64 + Darwin arm64

[joetoddsonos]

• Added linux-arm64 build to project
• Added darwin-arm64 build to project
• Fixed RPi0 bug (Illegal Instruction #13)
• Updated FLAC library to v1.3.4

Closes: #13

[coveralls]

Pull Request Test Coverage Report for Build 2535684959

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

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Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 99.029%

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Totals
Change from base Build 921259504:	0.0%
Covered Lines:	306
Relevant Lines:	309

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💛 - Coveralls

[conorsleithsonos]

soundfile is currently broken for Apple Silicon -- see bastibe/python-soundfile#325

FWIW their latest release candidate installs and imports on my machine, but I haven't done any further testing.

It looks like they're close to having a release, but not sure how long that will take to make it to pypi. I will open an issue here linking to the above for visibility, and offer to help them test the new release

[joetoddsonos]

SoundFile 0.11.0 has now been release - https://pypi.org/project/soundfile/0.11.0/