upgrade bincode to 2.0

Update rusqlite requirement from 0.31 to 0.36 (#35)

Update bincode requirement from 1.3 to 2.0 (#31)

Parse peer id in rpc & upgrade to Rust 2024

Add ping/pong to websocket

Update tokio-tungstenite requirement from 0.20 to 0.21 (#28)

Update toml requirement from 0.7 to 0.8 (#27)

Update rusqlite requirement from 0.29 to 0.31 (#26)

Update tokio-tungstenite requirement from 0.19 to 0.20 (#23)

Update ethsign requirement from 0.8 to 0.9 (#22)

Add send_timeout to RPC channel

Add channel capacity

Fix CORS & bump 0.10.3

Format example code snippet in readme (#25)

Not panic when outside channel has error