fix(ci): add DATABENTO_API_KEY to deploy environment

- Add DATABENTO_API_KEY secret to deploy job environment
- Add DATABENTO_API_KEY to .env file creation in deploy script
- Matches DATABENTO_API_KEY in .env.example

scripts/deploy-forgejo.sh

@@ -47,6 +47,7 @@ NICEGUI_STORAGE_SECRET=${NICEGUI_STORAGE_SECRET:-}
 CORS_ORIGINS=${CORS_ORIGINS:-*}
 TURNSTILE_SITE_KEY=${TURNSTILE_SITE_KEY:-}
 TURNSTILE_SECRET_KEY=${TURNSTILE_SECRET_KEY:-}
+DATABENTO_API_KEY=${DATABENTO_API_KEY:-}
 EOF
 
 # Upload docker-compose file