v6.0.0-alpha.1

Intermediate alpha release for cargo-contract.

This release is compatible with:

• polkadot-sdk commit cb629d46ebf00aa65624013a61f9c69ebf02b0b4
• ink! v6.0.0-alpha.1
• ink-node v0.44.0 (notice there are binary releases linked)
• Passet Hub if no newer pull request has been merged than this one

To install this version of cargo-contract:

cargo install --force --git https://github.com/use-ink/cargo-contract --tag v6.0.0-alpha.1

To depend on it:

contract-build = { git = "https://github.com/use-ink/cargo-contract", tag = "v6.0.0-alpha.1" }