macos

Implement matrix sharding #327

Job	Run time
generate-matrix	7s
pythonbuild	36s
aarch64-apple-darwin / 3.9 / debug	8s
aarch64-apple-darwin / 3.9 / pgo+lto	8s
aarch64-apple-darwin / 3.10 / debug	8s
aarch64-apple-darwin / 3.10 / pgo+lto	8s
aarch64-apple-darwin / 3.11 / debug	5s
aarch64-apple-darwin / 3.11 / pgo+lto	14s
aarch64-apple-darwin / 3.12 / debug	9s
aarch64-apple-darwin / 3.12 / pgo+lto	8s
aarch64-apple-darwin / 3.13 / debug	8s
aarch64-apple-darwin / 3.13 / pgo+lto	7s
aarch64-apple-darwin / 3.14 / debug	8s
aarch64-apple-darwin / 3.14 / pgo+lto	7s
aarch64-apple-darwin / 3.13 / freethreaded+debug	8s
aarch64-apple-darwin / 3.13 / freethreaded+pgo+lto	9s
aarch64-apple-darwin / 3.14 / freethreaded+debug	5s
aarch64-apple-darwin / 3.14 / freethreaded+pgo+lto	8s
x86_64-apple-darwin / 3.9 / debug	7s
x86_64-apple-darwin / 3.9 / pgo+lto	8s
x86_64-apple-darwin / 3.10 / debug	7s
x86_64-apple-darwin / 3.10 / pgo+lto	8s
x86_64-apple-darwin / 3.11 / debug	7s
x86_64-apple-darwin / 3.11 / pgo+lto	8s
x86_64-apple-darwin / 3.12 / debug	9s
x86_64-apple-darwin / 3.12 / pgo+lto	8s
x86_64-apple-darwin / 3.13 / debug	6s
x86_64-apple-darwin / 3.13 / pgo+lto	8s
x86_64-apple-darwin / 3.14 / debug	9s
x86_64-apple-darwin / 3.14 / pgo+lto	7s
x86_64-apple-darwin / 3.13 / freethreaded+debug	8s
x86_64-apple-darwin / 3.13 / freethreaded+pgo+lto	8s
x86_64-apple-darwin / 3.14 / freethreaded+debug	9s
x86_64-apple-darwin / 3.14 / freethreaded+pgo+lto	9s
	4m 57s

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