v0.66.0

What's Changed

• feat: move block header to block type map to ledger by @agaffney in #441
• feat: blockfetch server support by @agaffney in #442
• feat: chainsync server support by @agaffney in #443
• fix: correct comments for ledger block type maps by @agaffney in #444
• feat: remove connection from connection manager by @agaffney in #445
• fix: block-fetch MsgBlock CBOR encoding by @agaffney in #446
• feat: chain-sync server AwaitReply function by @agaffney in #447
• fix: return after sending IntersectNotFound by @agaffney in #448

Full Changelog: v0.65.0...v0.66.0