fix schema.prisma path (#17018)

docs/developing/local-development.mdx

@@ -89,7 +89,7 @@ yarn playwright show-report test-results/reports/playwright-html-report
     ```
     to generate one).
 
-3. Set up the database using the Prisma schema (found in `apps/web/prisma/schema.prisma`)
+3. Set up the database using the Prisma schema (found in `packages/prisma/schema.prisma`)
 
     ```bash
     yarn workspace @calcom/prisma db-deploy