Update: main workflow flutter version to 3.24.3

Author: Sameera-Perera

.github/workflows/main.yml

@@ -14,7 +14,7 @@ jobs:
           java-version: '12.x'
       - uses: subosito/flutter-action@v1
         with:
-          flutter-version: '3.10.0'
+          flutter-version: '3.24.3'
       - run: flutter pub get
       - run: flutter test
       - run: flutter build apk --debug --split-per-abi