fix: switch the priority, development should be lower than production

[shreddedbacon]

General Checklist

• [ ] Affected Issues have been mentioned in the Closing issues section
• [ ] Documentation has been written/updated
• [ ] PR title is ready for inclusion in changelog

Database Migrations

• [ ] If your PR contains a database migation, it MUST be the latest in date order alphabetically

Just a small fix to switch the priority, the defaults should be production=6 and development=5.

1 being the lowest, 6 being higher. Thus production environment deployments should be higher priority than development.

If you've not modified the build priority ever, then this snippet can be used to reset the priority to be correct