fix: add missing @rollup/rollup-win32-arm64-msvc to optionalDependencies

This fixes the Windows ARM64 CI build failure caused by npm's optional
dependency bug. The package.json was missing this platform-specific
rollup binding.

Author: ochafik

package-lock.json

@@ -111,6 +111,7 @@
     "@rollup/rollup-darwin-x64": "^4.53.3",
     "@rollup/rollup-linux-arm64-gnu": "^4.53.3",
     "@rollup/rollup-linux-x64-gnu": "^4.53.3",
+    "@rollup/rollup-win32-arm64-msvc": "^4.53.3",
     "@rollup/rollup-win32-x64-msvc": "^4.53.3"
   }
 }