fix: CIでopencvをインストールするように修正

Author: takuchi17

.github/workflows/test.yaml

@@ -9,6 +9,11 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libopencv-dev
+
       # - name: Set up Docker Buildx
       #   uses: docker/setup-buildx-action@v2