🔧 (Makefile): add 'update' target to run 'poetry update' command for updating dependencies

🔧 (pyproject.toml): update version to "1.0.0rc0" for the 'langflow' package
🔧 (pyproject.toml): update version to "0.0.73" for the 'langflow-base' package
🔧 (pyproject.toml): remove 'python-socketio' dependency and update other dependencies to specific versions