help, settings: replace setup.py with pyproject.toml (#16258)

* help, settings: replace setup.py with pyproject.toml

Signed-off-by: William Woodruff <william@trailofbits.com>

* settings: fix language

Signed-off-by: William Woodruff <william@trailofbits.com>

* Apply suggestions from code review

Co-authored-by: Dustin Ingram <di@users.noreply.github.com>

* bump translations

Signed-off-by: William Woodruff <william@trailofbits.com>

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Signed-off-by: William Woodruff <william@trailofbits.com>
Co-authored-by: Dustin Ingram <di@users.noreply.github.com>

Author: woodruffw