refactor: simplify main a bit (#2767) #2

Job	Run time
Cargo Machete	1m 0s
determine changes	8s
pre-commit	41s
cargo test \| ubuntu	1s
cargo rustdoc \| ubuntu	4m 17s
build binary \| linux x86_64	1s
cargo test \| macos aarch64	6m 29s
cargo test \| macos x86_64	13m 14s
cargo test \| windows	1s
cargo fmt \| ubuntu	15s
cargo clippy \| ubuntu	2m 34s
build binary \| macos aarch64	9m 10s
build binary \| windows aarch64	1s
build binary \| macos x86_64	11m 48s
build binary \| windows x86_64	1s
Pytest \| macos aarch64	2m 13s
Integration tests \| macos aarch64	4m 32s
Downstream tests \| macos aarch64	1m 9s
Wheel Tests \| macos aarch64 / Test Installation of Common Wheels \| macos-aarch64	1m 37s
Pytest \| linux x86_64	0s
Downstream tests \| linux x86_64	0s
Wheel Tests \| linux x86_64	0s
Integration tests \| linux x86_64	0s
Pytest \| windows x86_64	0s
Wheel Tests \| windows x86_64	0s
Integration tests \| windows x86_64	0s
Downstream tests \| windows x86_64	0s
	59m 12s

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