Changelog
- 54f04cc feat(logging): add json log format for the server and clients
- 6227b1b fix(logging): rename error attrs to err and quiet expected disconnect errors
- 86b3d45 perf(httpmuxer): reuse tunnel connections and bound visitor connections
- 8cbebb5 refactor(logging): move formatted log messages into attrs
- ea291dc refactor(logging): switch to slog with shared connection logging