fix flutter ci version

.gitea/workflows/build.yaml

@@ -12,16 +12,16 @@ jobs:
         with:
           channel: master
 
-      - name: Install deps
+      - name: Install Framework Dependencies
         run: sudo apt-get update -y && sudo apt install -y ninja-build libgtk-3-dev
 
       - name: Install Flutter
         uses: subosito/flutter-action@v2
         with:
           channel: master
-          flutter-version-file: pubspec.yaml
+          flutter-version: 3.38.9
 
-      - name: Get dependencies
+      - name: Get Project Dependencies
         run: flutter pub get
 
       # - name: Analyze project
@@ -30,5 +30,5 @@ jobs:
       # - name: Test project
       #   run: flutter test
 
-      - name: Build Web Release
+      - name: Build
         run: flutter build linux