test: run tests in parallel again on CI #290

Job	Run time
Cargo Machete	1m 3s
determine changes	6s
pre-commit	38s
cargo fmt \| ubuntu	14s
cargo clippy \| ubuntu	46s
cargo test \| ubuntu	4m 36s
cargo rustdoc \| ubuntu	1m 3s
build binary \| linux x86_64	2m 39s
build binary \| macos aarch64	3m 10s
cargo test \| macos aarch64	4m 20s
cargo test \| macos x86_64	0s
cargo test \| windows	7m 52s
build binary \| macos x86_64	0s
build binary \| windows aarch64	3m 38s
build binary \| windows x86_64	3m 49s
pytest integration \| linux x86_64	8m 46s
test wheel installation \| linux x86_64 / Test Installation of Common Wheels \| linux-x86_64	1m 57s
pytest integration \| macos aarch64	7m 24s
test wheel installation \| macos aarch64 / Test Installation of Common Wheels \| macos-aarch64	1m 32s
pytest integration \| windows x86_64	5m 25s
test wheel installation \| windows x86_64 / Test Installation of Common Wheels \| windows-x86_64	3m 2s
	1h 2m 0s

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