Option to ignore failures in CI/CD

[alikhajeh1]

It seems useful to have a CI/CD option, e.g. INFRACOST_WARN_ON_FAILURE=true, to ignore failures so a warning is logged but PRs are not blocked when something fails. The failure can happen for whatever reason, e.g. a CLI panic or the AWS region used by our hosted service goes down. Spacelift have already added this option.

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[PatMyron]

Can also generally workaround with || true

[alikhajeh1]

@PatMyron good workaround! I think CodeCov did something similar with || echo "Error running X..." for their legacy bash-uploader.

[alikhajeh1]

Going to close this issue as it's not been brought-up much and the workaround that @PatMyron seems simple and solid.