Scale up gprd to match prod

This can wait until closer to failover time, however we need to ensure we have enough servers to handle load for production.

In production we currently have:

• 14 web server
• 12 git servers
• 14 API servers
• 4 sidekiq-realtime
• 5 sidekiq-pullmirror
• 3 sidekiq-pipeline
• 6 sidekiq-pages
• 6 sidekiq-besteffort
• 5 sidekiq-asap