Add Mat3/Quat look_at and look_to methods, look_to direction must now be normalized. #1420

Job	Run time
Lint	2m 10s
Test (ubuntu-latest, stable)	3m 4s
Check MSRV (ubuntu-latest, 1.68.2)	2m 31s
Test (ubuntu-latest, beta)	3m 3s
Test portable simd (ubuntu-latest, nightly)	41s
Check MSRV (macos-latest, 1.68.2)	2m 24s
Test (ubuntu-latest, nightly)	2m 47s
Test wasm (stable, ubuntu-latest)	4m 28s
Test portable simd (macos-latest, nightly)	44s
Check MSRV (windows-latest, 1.68.2)	3m 4s
Test (macos-latest, stable)	2m 42s
Test portable simd (windows-latest, nightly)	1m 22s
Test (macos-latest, beta)	3m 16s
Test (macos-latest, nightly)	2m 44s
Test (windows-latest, stable)	5m 25s
Test (windows-latest, beta)	4m 56s
Test (windows-latest, nightly)	4m 51s
	50m 12s

Provide feedback