release some disk spaces for macos build

see also https://github.com/orgs/community/discussions/137481#discussioncomment-10578608, maxim-lobanov/setup-xcode#84

.github/workflows/node-build.yml

@@ -114,6 +114,18 @@ jobs:
     - name: Initialization for ${{ env.tag_name }} ...
       run: |
         echo ok!
+    - name: Release some disk spaces for macos build, initialize latest xcode ...
+      if: startsWith(matrix.os, 'macos')
+      uses: maxim-lobanov/setup-xcode@v1.6.0
+    - name: Release some disk spaces for macos build, remove old xcode versions ...
+      if: startsWith(matrix.os, 'macos')
+      run: |
+        echo "Searching for Xcode versions:"
+        find /Applications -name "Xcode_*" -maxdepth 1 -mindepth 1
+        echo "Removing old Xcode versions..."
+        find /Applications -name "Xcode_*" -maxdepth 1 -mindepth 1 | grep -v ${{ matrix.xcode }} | xargs rm -rf
+        echo "Available Xcode versions after removal:"
+        find /Applications -name "Xcode_*" -maxdepth 1 -mindepth 1
     - name: Building for linux ...
       if: startsWith(matrix.os, 'ubuntu')
       run: |