v2.2.0

API improvements:

• Allow address formats to declare default values.
• Allow turning off postal code validation in AddressFormatConstraint.

Address format updates:

• Singapore lacks city/locality field.
• Update subdivisions for India (IN).
• Add missing Indonesian (ID) provinces: PD, PE, PS, PT.
• Update subdivisions for Philippines (PH).
• Chile's administrative areas are called regions, not provinces.
• Simplify the postal code pattern for Peru (PE).
• Make the administrative area required for BB, CL, CV, EG, IR, KI, MY, PE, TH, VN