Make `MinimalForwarder` production-ready

[ernestognw]

Warning This PR is currently on hold, meaning it's not considered yet safe to use any of the updates here until merged.

Fixes #3884 Fixes #3664

Currently, MinimalForwarder is not considered production-ready since it was designed mainly for testing purposes in the library. However, it's not that far from a MinimalForwarder that's something we may recommend.

The new MinimalForwarder should guarantee:

• Backwards compatibility
• Security (and thorough documentation about it)
• A deadline for expiring transactions

PR Checklist

• [ ] Tests
• [ ] Documentation
• [ ] Changeset entry (run npx changeset add)

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Latest commit: 4c1cd2264962c38f354b84c4410a3c81ea50516f

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