v4.16.1

Upgrade priority: Low. Recommended for full from-genesis queries on Kusama.

Contributed:

• Adjust types for uniques (Thanks to https://github.com/Yuripetusko)

Changes:

• Add Kusama, Polkadot & Westend 9050 upgrade blocks
• Add Kusama & Westend 9070 upgrade blocks
• Adjust API decoration to lazy-create event and storage types
• Use TS override as applicable (with --noImplicitOverrides option)
• Add missing historic Heartbeat: HeartbeatTo244 mapping to Kusama
• Remove duplication from contracts registry
• Add explicit check for scale-info 0.7+ (contracts index lookups)
• Align static metadata with latest Substrate