chore: Release litep2p version 0.8.0

[lexnv]

[0.8.0] - 2024-11-04

This release adds support for content provider advertisement and discovery to Kademlia protocol implementation (see libp2p spec).
Additionally, the release includes several improvements and memory leak fixes to enhance the stability and performance of the litep2p library.

Added

• kad: Providers part 8: unit, e2e, and libp2p conformance tests (#258)
• kad: Providers part 7: better types and public API, public addresses & known providers (#246)
• kad: Providers part 6: stop providing (#245)
• kad: Providers part 5: GET_PROVIDERS query (#236)
• kad: Providers part 4: refresh local providers (#235)
• kad: Providers part 3: publish provider records (start providing) (#234)

Changed

• transport_service: Improve connection stability by downgrading connections on substream inactivity (#260)
• transport: Abort canceled dial attempts for TCP, WebSocket and Quic (#255)
• kad/executor: Add timeout for writting frames (#277)
• kad: Avoid cloning the KademliaMessage and use reference for RoutingTable::closest (#233)
• peer_state: Robust state machine transitions (#251)
• address_store: Improve address tracking and add eviction algorithm (#250)
• kad: Remove unused serde cfg (#262)
• req-resp: Refactor to move functionality to dedicated methods (#244)
• transport_service: Improve logs and move code from tokio::select macro (#254)

Fixed

• tcp/websocket/quic: Fix cancel memory leak (#272)
• transport: Fix pending dials memory leak (#271)
• ping: Fix memory leak of unremoved pending_opens (#274)
• identify: Fix memory leak of unused pending_opens (#273)
• kad: Fix not retrieving local records (#221)