ci: avoid wheel warning with old setuptools (#849)

Need similar age packages.

---------

Signed-off-by: Henry Schreiner <[email protected]>

Author: henryiii

.github/workflows/ci.yml

@@ -113,14 +113,14 @@ jobs:
           && matrix.python-version != 'pypy-3.7'
         run:
           uv pip install
-          -e.[test,test-meta,test-numpy,test-schema,test-hatchling,wheels,cov]
+          -e.[test,test-meta,test-numpy,test-schema,test-hatchling,wheels,cov,wheel-free-setuptools]
           --system
 
       - name: Install package (pip)
         if:
           matrix.python-version == '3.7' || matrix.python-version == 'pypy-3.8'
           || matrix.python-version == 'pypy-3.7'
-        run: pip install -e.[test,test-meta,test-numpy,test-schema,wheels,cov]
+        run: pip install -e.[test,test-meta,test-numpy,test-schema,wheels,cov,wheel-free-setuptools]
 
       - name: Test package
         if: "!contains(matrix.python_version, 'pypy')"

pyproject.toml

@@ -102,6 +102,9 @@ docs = [
     "sphinx-inline-tabs",
     "sphinx-jsonschema",
 ]
+wheel-free-setuptools = [
+    'setuptools>=70.1; python_version>="3.8"',
+]
 
 [project.urls]
 Changelog = "https://scikit-build-core.readthedocs.io/en/latest/changelog.html"