tower-lsp 0.18.0

Changed

• Switch from log facade to tracing (PR #332).
• Change $/cancelRequest log message from warn to debug (PR #353).
• Update auto_impl from 0.5 to 1.0 (PR #343).
• Update httparse from 1.3.5 to 1.8 (PR #363)
• Update memchr from 2.4.1 to 2.5 (PR #363).
• Relax tower version requirement from 0.3.11 to 0.3 (PR #363).
• Update dev-dependency async-tungstenite from 0.16 to 0.18 (PR #363).
• Update dev-dependency ws_stream_tungstenite from 0.7 to 0.9 (PR #363).

Fixed

• Improve client connection behavior in tcp example (PR #336).
• Tweak grammar in initialized and textDocument/codeAction doc comments (PR #361).