added dev dependencies for linux

.github/workflows/linux-web.yaml

@@ -22,6 +22,11 @@ jobs:
         channel: 'stable'
         flutter-version: '3.24.1'
 
+    - name: install dev dependencies
+      run: |
+        sudo apt-get update -y
+        sudo apt-get install -y ninja-build libgtk-3-dev
+
     - name: Install dependencies
       run: flutter pub get