Fix release.yml

Author: mosuka

.github/workflows/release.yml

@@ -188,7 +188,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v6
         with:
-          python-version: 3.x
+          python-version: ${{ contains(matrix.platform.target, 'aarch64') && '3.13' || '3.x' }}
           architecture: ${{ contains(matrix.platform.target, 'aarch64') && 'arm64' || 'x64' }}
 
       - name: Create package-specific pyproject.toml