fix: initialize rayon late and use uv from tag #1100

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Job	Run time
pre-commit	2m 44s
determine changes	5s
Cargo Machete	1m 5s
build binary \| macos aarch64	3m 47s
build binary \| linux x86_64	6m 0s
build binary \| macos x86_64	0s
build binary \| windows aarch64	4m 42s
build binary \| windows x86_64	5m 3s
cargo test \| ubuntu	5m 1s
cargo test \| macos aarch64	5m 44s
cargo test \| macos x86_64	0s
cargo rustdoc \| ubuntu	1m 29s
cargo test \| windows	7m 49s
Integration tests \| linux x86_64	4m 18s
Downstream tests \| linux x86_64	5m 3s
Pytest \| linux x86_64	1m 6s
Wheel Tests \| linux x86_64 / Test Installation of Common Wheels \| linux-x86_64	3m 28s
Pytest \| windows x86_64	7m 13s
Downstream tests \| windows x86_64	5m 57s
Integration tests \| windows x86_64	10m 3s
Wheel Tests \| windows x86_64 / Test Installation of Common Wheels \| windows-x86_64	5m 33s
Pytest \| macos aarch64	1m 37s
Downstream tests \| macos aarch64	1m 0s
Integration tests \| macos aarch64	5m 28s
Wheel Tests \| macos aarch64 / Test Installation of Common Wheels \| macos-aarch64	1m 47s
	1h 36m 2s

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