The `cln::ClnRpc` plugin has a `call` and a `call`-typed method
which worked only on structs that are mentioned in
`src::primitives::Request`.
The consequence is that any rpc-method that is not (yet) defined in this
crate could not be used.
I've adapted the `ClnRpc`-method and create a low-level binding named
`call_raw`. All changes in this commit should be backward compatible.
This commit updates outdated dependencies and hangs all
bitcoin-related dependencies off of the `bitcoin` crate, using its
re-exports. This means that as long as the bitcoin crate matches, all
of its dependents will also match.
Changelog-None
