fixup! Add x86-32-windows workflow

Author: alexreinking

.github/workflows/testing-windows.yml

@@ -52,7 +52,9 @@ jobs:
             | awk -F'==' '/^halide-llvm==/ { gsub(/ .*/, "", $2); print $2 }')
 
           uv sync --python '${{ matrix.python }}' --group ci-base --no-install-project
-          uv pip install --python-platform i686-pc-windows-msvc --only-binary :all: "halide-llvm==${LLVM_VER}"
+          uv pip install --python-platform i686-pc-windows-msvc --only-binary :all: \
+            --extra-index-url https://pypi.halide-lang.org/simple/ \
+            "halide-llvm==${LLVM_VER}"
 
           echo "${GITHUB_WORKSPACE}/.venv/Scripts" >> "$GITHUB_PATH"
           echo "VIRTUAL_ENV=${GITHUB_WORKSPACE}/.venv" >> "$GITHUB_ENV"