v11.3.1

Changes:

• Fix period assumption on signingInfo (derive)
• Bump dev to 0.79.3
• Update {Polkadot, Kusama, Westend} types-known
• Bump Substrate metadata to latest
  • NOTE: Moving forward when bumping the metadata for {Polkadot, Kusama, Substrate} the version will
    always be a minor bump since it can add, modify, remove augmented types.