Cardano Updates

Add hf_to_dijkstra function to upgrade to Dijkstra PV12. Rename era
parameter to cmdgroup in create_and_submit_hf_action to reflect that
it accepts a CLI command group. Auto-enable experimental protocols
based on cardano-node version and target protocol version.

Add hf_to_dijkstra function to upgrade to Dijkstra PV12. Rename era
parameter to cmdgroup in create_and_submit_hf_action to reflect that
it accepts a CLI command group. Auto-enable experimental protocols
based on cardano-node version and target protocol version.

feat(makefile): improve Python project automation and add help

- Add virtual environment management with `.venv` directory and checks for activation.
- Refactor `install`, `lint`, `build`, `upload`, and `release` targets to use the project venv.
- Add `init-lint`, `clean`, and `clean-all` targets for linter setup and maintenance.
- Add a `help` target with auto-generated documentation for all Makefile commands.
- Improve error handling and user guidance for environment setup.