* chore(metadata): update chain metadata to v16 and enable v16 tests * chore(api-augment): regenerate chain types from v16 metadata * fix(typegen): align lookup generation to v16 and add V9 slashing proof alias
* chore(metadata): update chain metadata to v16 and enable v16 tests * chore(api-augment): regenerate chain types from v16 metadata * fix(typegen): align lookup generation to v16 and add V9 slashing proof alias