Remove hardcoded Ruff target-version #15538
Description
The current CLI tool hardcodes --target-version=py37 for Ruff formatting and linting. Evaluate if we can remove this flag and instead let Ruff default to its own baseline.
Rely on a pyproject.toml or ruff.toml for version targeting.
Goal: Eliminate the need to manually "bump" this version string in the script as our minimum supported Python version evolves.