Upgrade flutter version to 3.10.6 for CI

Author: dab246

.github/workflows/ci.yml

@@ -29,7 +29,7 @@ jobs:
       - name: Install Flutter
         uses: subosito/flutter-action@v2
         with:
-          flutter-version: "3.7.5"
+          flutter-version: "3.10.6"
           channel: "stable"
 
       # Install dependencies