Run CoreML backend tests in CI

[metascroy]

🚀 The feature, motivation and pitch

To run CoreML backend tests, you need to run sh backends/apple/coreml/scripts/build_all.sh

One of the tests is currently broken on main (ETCoreMLModelDebuggerTests/testMV3ProgramDebugging). We need to run this on CI.

Alternatives

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Additional context

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RFC (Optional)

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cc @kimishpatel @YifanShenSZ @cymbalrush