workflows : disable stubs in CI

Author: ManifoldFR

.github/workflows/macos-linux-windows-pixi.yml

@@ -34,6 +34,7 @@ jobs:
       # This can invalidate the cache (https://ccache.dev/manual/latest.html#config_compiler_check)
       CCACHE_COMPILERCHECK: content
       BUILD_ADVANCED_TESTING: ${{ matrix.BUILD_ADVANCED_TESTING }}
+      CANDLEWICK_PYTHON_STUBS: false
 
     strategy:
       fail-fast: false