Build workflow from ChicoState/cpp-container dependency

Author: kbuffardi

.github/workflows/ci.yml

@@ -7,6 +7,10 @@ jobs:
     name: Test
     runs-on: ubuntu-latest
     steps:
+      - name: Import cpp-container
+        uses: actions/checkout@v5
+        with:
+          repository: ChicoState/cpp-container
       - name: Checkout code
         uses: actions/checkout@v5
       - name: Build container image