v6.5.1

Upgrade priority: Low. Internal maintenance upgrades.

Contributed:

• Add Auction to Polkadot pre-0.9.11 ProxyType (Thanks to https://github.com/wirednkod)

Changes:

• Ecah module now exposes the Substrate-added palletVersion storage item
• Adjust Websocket maxReceivedFrameSize under Node
• TypeDef structures now contain the typeName from metadata v14 on fields
• Fix browser bundle imports for xcm-mapping (move to types-known)
• Expose all extracted type names in PortableRegistry
• Adjust toJSON (Ascii) output detection on Raw
• Adjust api.rpc.*.*.raw(..args) return to the actual over-the-wire JSON result
• Remove api.rpc.*.*.json(..args) since it now overlaps with new .raw
• Bump static metadata for latest Substrate, Polkadot & Kusama