Update Flutter version to 3.32.6 in workflow

Author: Empty-57

.github/workflows/windows-release.yml

@@ -15,7 +15,7 @@ jobs:
     - name: Setup Flutter  
       uses: subosito/flutter-action@v2  
       with:  
-        flutter-version: 'stable'  
+        flutter-version: '3.32.6'  
         channel: 'stable'  
 
     - name: Setup Rust