Don't lowercase service IDs
Don't lowercase service IDs

- Service IDs are stored as uppercase
- Old URLs may be in lower case but they are in the `/services/x-xxx-xxx` format,
  and the redirect uppercases them to `/g-cloud/services/X-XXX-XXXX`

alphagov/digitalmarketplace-supplier-frontend,alphagov/digitalmarketplace-supplier-frontend,alphagov/digitalmarketplace-supplier-frontend,alphagov/digitalmarketplace-supplier-frontend