v0.13.0

Added

Tracing improvements and OpenTelemetry

• Instrument most functions and methods to generate meaningful spans
• Preserve spans in spawned tags
• Implement optional OpenTelemetry export to local Jaeger instance.
  See README.md for instructions.

To avoid misunderstandings:

The OpenTelementry feature is local-only and opt-in, and only used for debugging purposes.

Changed

• Update dependencies.
• Migrate ratatui to v0.26.1.
• Upgrade nix to v0.28.0.

Full Changelog: v0.12.0...v0.13.0