Make Box2d::contains and Box2d intersects faster #91

Job	Run time
Check code formatting	5s
Linux (1.56.0)	1m 32s
Linux (stable)	16s
Linux (beta)	17s
Linux (nightly)	18s
Linux (--features serde, 1.56.0)	1m 37s
Linux (--features serde, stable)	18s
Linux (--features serde, beta)	23s
Linux (--features serde, nightly)	23s
Linux (--no-default-features --features libm, 1.56.0)	1m 27s
Linux (--no-default-features --features libm, stable)	12s
Linux (--no-default-features --features libm, beta)	20s
Linux (--no-default-features --features libm, nightly)	16s
Linux (stable, --features mint)	12s
Linux (stable, --features bytemuck)	13s
Linux (stable, --features arbitrary)	15s
Linux (nightly, --features unstable)	17s
Linux (nightly, --features unstable,serde)	23s
Result	1s
	8m 45s

Provide feedback