decode::Error should be used instead of io::Result in core/src/p2p/sync/proto.rs

[julianbraha]

Describe the bug

There's a TODO comment in core/src/p2p/sync/proto.rs:

// TODO: Using `decode::Error` instead of `io::Result`

Reproduction

No response

Expected behavior

No response

Platform and versions

8.15.1
cargo 1.75.0 (1d8b05cdd 2023-11-20)
rustc 1.75.0 (82e1608df 2023-12-21)

Stack trace

No response

Additional context

No response