ci: switch macOS CI to GitHub-hosted runners (#236)

Author: branchseer

.github/workflows/ci.yml

@@ -51,9 +51,9 @@ jobs:
             target: x86_64-unknown-linux-gnu
           - os: windows-latest
             target: x86_64-pc-windows-msvc
-          - os: namespace-profile-mac-default
+          - os: macos-latest
             target: aarch64-apple-darwin
-          - os: namespace-profile-mac-default
+          - os: macos-latest
             target: x86_64-apple-darwin
     runs-on: ${{ matrix.os }}
     steps:
@@ -91,8 +91,13 @@ jobs:
         continue-on-error: true
         run: cargo clippy --all-targets --all-features -- -D warnings
 
-      # Set up node and pnpm for running tests
-      # For x86_64-apple-darwin, use x64 node for fspy tests that verify Node.js fs accesses
+      # For x86_64-apple-darwin on arm64 runner, install x64 node so fspy preload dylib
+      # (compiled for x86_64) can be injected into node processes running under Rosetta.
+      # oxc-project/setup-node doesn't support the architecture input, so use
+      # pnpm/action-setup + actions/setup-node directly.
+      - uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
+        if: ${{ matrix.target == 'x86_64-apple-darwin' }}
+
       - uses: actions/setup-node@395ad3262231945c25e8478fd5baf05154b1d79f # v6.1.0
         with:
           node-version-file: .node-version