chore: optimize build excludes to reduce package size (#12311)

- Exclude config, patches directories
- Exclude app-upgrade-config.json
- Exclude unnecessary node_modules files (*.cpp, node-addon-api, prebuild-install)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude Sonnet 4.5 <noreply@anthropic.com>

electron-builder.yml

@@ -28,6 +28,12 @@ files:
   - "!**/{tsconfig.json,tsconfig.tsbuildinfo,tsconfig.node.json,tsconfig.web.json}"
   - "!**/{.editorconfig,.jekyll-metadata}"
   - "!src"
+  - "!config"
+  - "!patches"
+  - "!app-upgrade-config.json"
+  - "!**/node_modules/**/*.cpp"
+  - "!**/node_modules/node-addon-api/**"
+  - "!**/node_modules/prebuild-install/**"
   - "!scripts"
   - "!local"
   - "!docs"