Update program-list.json

[duffb-cat]

Summary

Corrected program information related to Caterpillar Inc.

Updated the below: Program Name (Misspelled) Safe Harbor status Public Disclosure status Hiring link Security.txt link Preferred Language

Quality Assurance Checklist

Review Items	Y/N
Site has a publicly known bug bounty or vulnerability disclosure program	Y
Disclosure policy is publicly available	Y
Public URL	Y
Submission follows the Diodb schema	Y

[nikitastupin]

Thank you! Merging!