install platform deps in ci

Author: ewdurbin

.github/workflows/ci.yml

@@ -17,6 +17,10 @@ jobs:
     steps:
       - name: Check out repository
         uses: actions/checkout@v2
+      - name: Install platform dependencies
+        run: |
+          sudo apt -y update
+          sudo apt -y install $(cat Aptfile | xargs)
       - uses: actions/setup-python@v2
         with:
           python-version: 3.9.16