GitHub Integration Problem

### Environment

self-hosted (https://develop.sentry.dev/self-hosted/)

### Steps to Reproduce

1. Integrations
2. GitHub
3. Add

### Expected Result

Github integration setup goes to 404

### Actual Result

Github integration setup goes to 404

### Product Area

Unknown

### Link

_No response_

### DSN

_No response_

### Version

_No response_