install libvips dependency in workflow

.github/workflows/test.yml

@@ -12,6 +12,8 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+      - name: Install system dependencies
+        run: apt-get install --no-install-recommends --yes libvips
       - uses: actions/checkout@v4
       - name: Set up Python 3.10
         uses: actions/setup-python@v5