fix(ci): do no run tests on wheel in sdist tests

there's a race condition in the workflow that allows test_sdist tests to run with wheels present in the dist folder which will fail.

Author: mayeut

.github/workflows/build.yml

@@ -181,7 +181,7 @@ jobs:
           SKBUILD_CONFIGURE_OPTIONS: "-DBUILD_CMAKE_FROM_SOURCE:BOOL=OFF"
         run: |
           pip install dist/*.tar.gz
-          rm dist/*.tar.gz
+          rm dist/*.tar.gz dist/*.whl
 
       - name: Test installed SDist
         run: pytest ./tests