Tune ALS profiles

Widens dynamic range by allowing lower minimum brightness levels
also for brightest profiles.

Improves reaction to sunlight by saturating to 100% brightness
level with smaller lux values than before.

[mce] Tune ALS profiles. Fixes JB#12301
Merge pull request #156 from spiiroin/tune_als_profiles

Tune ALS profiles
Bump mce version to 1.29.3