about an out of range string conversion not being caught properly. This
commit changes the logic from an exception to using errno and a
non-throwing alternative.
Issue detected in
https://github.com/CLIUtils/CLI11/actions/runs/5500247554/jobs/10023032108
The problem string was set up as a test.
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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
