docs: update publish config artisan command

[maartenpaauw]

Description

The vendor:publish command was using the wrong tag in the documentation.

Does this close any currently open issues?

No.

Type of change

Please delete options that are not relevant.

• [x] Documentation

Checklist

• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings

[bilfeldt]

Thank you for correcting that error @maartenpaauw 👍