salt-cubicweb-formula #5438104 Add more parameters for salt.states.postgres_database [in-progress]

add :

lc_collate
The LC_COLLATE setting to be used in this database
lc_ctype
The LC_CTYPE setting to be used in this database
prioritynormal
typeenhancement
done in0.1.0
load0.100
load left0.100
closed by<not specified>
patch[postgres] add `lc_collate` and `lc_ctype` (closes #5438104) [reviewed]