build: update github workflow for macos

Author: LastLeaf

.github/workflows/vscode-extension.yml

@@ -31,6 +31,12 @@ jobs:
       - uses: dtolnay/rust-toolchain@v1
         with:
           toolchain: stable
+        if: ${{ matrix.platform != 'darwin' }}
+      - uses: dtolnay/rust-toolchain@v1
+        with:
+          toolchain: stable
+          targets: [x86_64-apple-darwin, aarch64-apple-darwin]
+        if: ${{ matrix.platform == 'darwin' }}
       - name: Setup node
         uses: actions/setup-node@v4
         with: