fix: handle nx-run targets that don't have an executor

[lukasholzer]

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Summary

Handle nx:run-command executors by falling back to the package based detection. THis is only a cosmetic change to ignore those bugsnag reporting:
https://app.bugsnag.com/netlify/build-info/errors/64b917b0ecafad000866418d?event_id=64ba7fc300beb910f08e0000

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