Fix artifact upload path and correct maturin upload command in CI workflow

.github/workflows/publish-test-pypi.yml

@@ -60,16 +60,17 @@ jobs:
         env:
           MACOSX_DEPLOYMENT_TARGET: "11.0"
 
+      - name: Clean previous builds
+        if: runner.os == 'Linux' || runner.os == 'macOS'
+        run: rm -rf target/wheels
+
       - name: Build wheels (maturin)
         uses: PyO3/maturin-action@v1
         with:
           command: build
-          manylinux: "2_28"
           target: ${{ runner.os == 'macOS' && 'universal2-apple-darwin' || '' }}
-          args: >-
-            --release
-            -i python3.12
-            --strip
+          args: --release --strip -o target/wheels
+          manylinux: auto
         env:
           MACOSX_DEPLOYMENT_TARGET: ${{ runner.os == 'macOS' && '11.0' || '' }}
 
@@ -78,20 +79,21 @@ jobs:
         uses: PyO3/maturin-action@v1
         with:
           command: sdist
+          args: --out target/sdist
 
       - name: Upload Python package artifacts (wheels)
         uses: actions/upload-artifact@v4
         with:
           name: wheels-${{ matrix.os }}
-          path: target/wheels/*
+          path: target/wheels/
           if-no-files-found: error
 
       - name: Upload sdist (Linux only)
         if: runner.os == 'Linux'
         uses: actions/upload-artifact@v4
         with:
           name: sdist
-          path: dist/*.tar.gz
+          path: target/sdist/*.tar.gz
           if-no-files-found: error
 
   publish:
@@ -117,6 +119,9 @@ jobs:
       - name: "Preflight: reject plain linux wheels & verify set"
         run: |
           set -euo pipefail
+          echo "Files in upload directory:"
+          ls -l upload
+
           bad=$(ls upload/*.whl | grep -E '/[^/]+-linux_(x86_64|i686|aarch64|armv7l)\.whl$' || true)
           if [ -n "$bad" ]; then
             echo "ERROR: Found non-manylinux wheels:"
@@ -141,4 +146,4 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install "maturin>=1.4"
-          maturin upload --repository-url https://test.pypi.org/legacy/ upload/*|
+          maturin upload --repository-url https://test.pypi.org/legacy/ upload/*