Upgrade OpenAPI schema generator

apps/backend/routes/api/v1/sources/routes.py

apps/frontend/eslint.config.js

apps/frontend/openapi-ts.config.ts

apps/frontend/package.json

apps/frontend/pnpm-lock.yaml

apps/frontend/src/client/core/ApiRequestOptions.ts

apps/frontend/src/client/core/OpenAPI.ts

apps/frontend/src/client/core/request.ts

apps/frontend/src/client/services.gen.ts

apps/frontend/src/routes/(components)/data-sources.svelte

apps/frontend/src/routes/(components)/status-tracker.svelte