v0.55.1: OTEL tracing, bug reporting improvements, and review command fixes

New features

- OpenTelemetry tracing - Implemented OTEL tracing for the CLI to improve observability and debugging
- Mandatory bug report titles - Added title requirement for /bug reporting to ensure clearer issue tracking

Bug fixes

- /review default branch - Fixed the /review command to correctly identify and use the repository's default branch
- Authentication - Fixed several issues around authentication persistence and stability