fix: correct upstream numbers

[linzeyan]

Description

The number of upstream is wrong while executing adc validate, this pr corrected the upstream numbers in cmd/validate.go:99

Fixes # (issue)

Checklist

• [x] I have explained the need for this PR and the problem it solves
• [x] I have explained the changes or the new features added to this PR
• [ ] I have added tests corresponding to this change
• [ ] I have updated the documentation to reflect this change
• [x] I have verified that this change is backward compatible