macos

Implement matrix sharding #322

Job	Run time
generate-matrix	11s
pythonbuild	30s
aarch64-apple-darwin / 3.9 / debug	8s
aarch64-apple-darwin / 3.9 / pgo+lto	5s
aarch64-apple-darwin / 3.10 / debug	6s
aarch64-apple-darwin / 3.10 / pgo+lto	6s
aarch64-apple-darwin / 3.11 / debug	6s
aarch64-apple-darwin / 3.11 / pgo+lto	6s
aarch64-apple-darwin / 3.12 / debug	7s
aarch64-apple-darwin / 3.12 / pgo+lto	7s
aarch64-apple-darwin / 3.13 / debug	7s
aarch64-apple-darwin / 3.13 / pgo+lto	7s
aarch64-apple-darwin / 3.14 / debug	6s
aarch64-apple-darwin / 3.14 / pgo+lto	6s
aarch64-apple-darwin / 3.13 / freethreaded+debug	7s
aarch64-apple-darwin / 3.13 / freethreaded+pgo+lto	5s
aarch64-apple-darwin / 3.14 / freethreaded+debug	8s
aarch64-apple-darwin / 3.14 / freethreaded+pgo+lto	11s
x86_64-apple-darwin / 3.9 / debug	1s
x86_64-apple-darwin / 3.9 / pgo+lto	2s
x86_64-apple-darwin / 3.10 / debug	1s
x86_64-apple-darwin / 3.10 / pgo+lto	1s
x86_64-apple-darwin / 3.11 / debug	1s
x86_64-apple-darwin / 3.11 / pgo+lto	2s
x86_64-apple-darwin / 3.12 / debug	1s
x86_64-apple-darwin / 3.12 / pgo+lto	1s
x86_64-apple-darwin / 3.13 / debug	1s
x86_64-apple-darwin / 3.13 / pgo+lto	7s
x86_64-apple-darwin / 3.14 / debug	8s
x86_64-apple-darwin / 3.14 / pgo+lto	5s
x86_64-apple-darwin / 3.13 / freethreaded+debug	3s
x86_64-apple-darwin / 3.13 / freethreaded+pgo+lto	3s
x86_64-apple-darwin / 3.14 / freethreaded+debug	3s
x86_64-apple-darwin / 3.14 / freethreaded+pgo+lto	3s
	3m 12s

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