swift-libp2p 0.5.0

• Complete the public Pure Swift networking dependency graph through swift-networking, swift-ssl, swift-tls, and swift-quic.
• Accept coalesced QUIC Initial and Handshake server flights with independent outbound and receive UDP budgets.
• Preserve underlying QUIC handshake failures and validate the receive-budget contract.
• Verify Linux, macOS, Standard/Embedded WebAssembly runtime, and Go/Rust libp2p interoperability release gates.