fix(network): demux using one mpsc channel per miniprotocol (#366) · txpipe/pallas@8b13646

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unused import: `std::path::Path`

unused imports: `Confirmation`, `VersionNumber`, `n2c`

unused import: `tokio::net::windows::named_pipe::NamedPipeClient`

`pallas-network` (lib) generated 3 warnings (run `cargo fix --lib -p pallas-network` to apply 3 suggestions)

unused import: `PRE_PRODUCTION_MAGIC`

function `do_localstate_query` is never used

function `do_chainsync` is never used

constant `SOCKET_PATH` is never used

`n2c-miniprotocols` (bin "n2c-miniprotocols") generated 4 warnings (run `cargo fix --bin "n2c-miniprotocols"` to apply 1 suggestion)

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