POC: check sdist

.github/workflows/test.yaml

@@ -10,7 +10,7 @@ on:
       - feature/*
 jobs:
   sdist:
-    name: build sdist wheel
+    name: build sdist wheel and check
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
@@ -19,6 +19,13 @@ jobs:
           python -m pip install --upgrade pip
           python -m pip install build setuptools wheel
           python -m build --sdist
+
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+      - run: |
+          pip install ./dist/curl_cffi-0.6.0b8.tar.gz
+
       - uses: actions/upload-artifact@v3
         with:
           path: ./dist/*.tar.gz