Make stats generation based on targeted school year

[pskl]

Closes #1193

Adaptation work to the Stats lib

The approach chosen to handle the support of multiple SchoolYear is to pass a parameter to the generating scripts

Why this approach?

• some of the indicators are really big like the Bops one so if we have to deduplicate the bops table for each year it will soon grow out of reason
• even the relatively smallish indicators will scale dramatically in size if we have imagine the script handling like 4-5 years

Also contains:

• an update reflecting the fact that the definition of validated now includes Rib readiness and Da presence

Syntax of script with year passed:

sh script/stats/get_global_stats_from_prod.sh aply-prod 2024