v8.9.1

Contributed:

• Update @substrate/connect to latest (Thanks to https://github.com/tomaka)

Changes:

• Deupe all internal type property getters
• Adjust @polkadot/types-codec asserts
• Rename Base type to AbstractBase (reflecting usage)
• Alias blockHash on rpc.engine.createBlock return
• Instantiate Compact/UInt/Int with number when passed
• Adjust name extraction in PortableRegistry (maintainability)
• Adjust string type path extraction (maintainability)
• Add Kusama 9230 upgrade block
• Update to latest Substrate metadata