Make Box2d::contains and Box2d intersects faster (#526) #96

Job	Run time
Linux (1.56.0)	1m 32s
Check code formatting	4s
Linux (stable)	32s
Linux (beta)	18s
Linux (nightly)	16s
Linux (--features serde, 1.56.0)	1m 42s
Linux (--features serde, stable)	16s
Linux (--features serde, beta)	25s
Linux (--features serde, nightly)	22s
Linux (--no-default-features --features libm, 1.56.0)	1m 44s
Linux (--no-default-features --features libm, stable)	12s
Linux (--no-default-features --features libm, beta)	20s
Linux (--no-default-features --features libm, nightly)	19s
Linux (stable, --features mint)	28s
Linux (stable, --features bytemuck)	17s
Linux (stable, --features arbitrary)	13s
Linux (nightly, --features unstable)	20s
Linux (nightly, --features unstable,serde)	22s
Result	3s
	9m 45s

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