chore: try fixing Linux CI

Author: w568w

.github/workflows/ci_linux.yml

@@ -18,7 +18,10 @@ jobs:
         uses: subosito/flutter-action@v2
         with:
           channel: 'stable'
-          
+      - name: Install Flutter Linux Dependencies
+        run: |
+          sudo apt-get update -y
+          sudo apt-get install -y ninja-build libgtk-3-dev
       - name: Prepare Flutter Dependencies
         run: |
           flutter pub get