Upgrade to Polkadot Release polkadot-v1.11.0

[github-actions]

The Parity team has published new version of Polkadot: polkadot-v1.11.0

See https://github.com/paritytech/polkadot-sdk/releases/polkadot-v1.11.0

Upgrade Priority

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Host Functions

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Database Migrations

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Runtime Migrations

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[mattheworris]

Suggestion: update rust-toolchain.toml and ci-base-image to Rust version 1.77