### Version ```sh System: OS: Windows 11 10.0.22631 CPU: (16) x64 Intel(R) Core(TM) i7-10700 CPU @ 2.90GHz Memory: 3.83 GB / 31.72 GB Browsers: Edge: Chromium (127.0.2651.105) Internet Explorer: 11.0.22621.3527 npmPackages: @rsbuild/core: ^1.2.12 => 1.2.12 @rsbuild/plugin-vue2: ^1.0.2 => 1.0.2 ``` ### Details When I upgrade `@rsbuild/core` to 1.2.12 defineOptions cannot be used, fallback to 1.2.11 everything works fine.  ### Reproduce link https://github.com/coderwyd/rsbuild-repo ### Reproduce Steps bun install && bun run dev