CI: Build wheels with right version & test them (#40)

- Checkout full repo history so setuptools_scm can work correctly
- Induce cibuildwheel to run the tests after building the wheel

.github/workflows/build_wheels.yml

@@ -15,7 +15,9 @@ jobs:
         os: [ubuntu-latest, macos-latest]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
 
       - uses: actions/setup-python@v2
         name: Install Python

pyproject.toml

@@ -14,3 +14,7 @@ write_to = "src/pystarlark/scmversion.py"
 [tool.isort]
 profile = "black"
 lines_between_types = 1
+
+[tool.cibuildwheel]
+test-requires = "pytest"
+test-command = "pytest {project}/tests"