Upgrade artifact up and downloads

Author: LSchueler

.github/workflows/main.yml

@@ -50,7 +50,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.10'
+          python-version: "3.10"
           architecture: x64
       - name: Build Wheels
         uses: messense/maturin-action@v1
@@ -64,8 +64,9 @@ jobs:
           pip install gstools-core --no-index --find-links dist --force-reinstall --no-deps
           python -c "import gstools_core"
       - name: Upload Wheels Artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
+          name: dist-wheel-linux-${{ matrix.target }}
           path: dist
 
   windows:
@@ -78,7 +79,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.10'
+          python-version: "3.10"
           architecture: ${{ matrix.target }}
       - name: Install Rust Toolchain
         uses: actions-rs/toolchain@v1
@@ -96,29 +97,30 @@ jobs:
           pip install gstools-core --no-index --find-links dist --force-reinstall --no-deps
           python -c "import gstools_core"
       - name: Upload Wheels Artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
+          name: dist-wheel-win-${{ matrix.target }}
           path: dist
 
   macos:
     needs: [check]
     runs-on: macos-latest
     strategy:
       matrix:
-        os: [macos-13, macos-14]
+        target: [macos-13, macos-14]
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.10'
+          python-version: "3.10"
       - name: Install Rust toolchain
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
           toolchain: stable
           default: true
       - name: Build wheels - x86_64
-        if: matrix.os == 'macos-13'
+        if: matrix.target == 'macos-13'
         uses: messense/maturin-action@v1
         with:
           target: x86_64
@@ -141,8 +143,9 @@ jobs:
           pip install gstools-core --no-index --find-links dist --force-reinstall --no-deps
           python -c "import gstools_core"
       - name: Upload wheels
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
+          name: dist-wheel-macos-${{ matrix.target }}
           path: dist
 
   sdist:
@@ -152,7 +155,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.10'
+          python-version: "3.10"
           architecture: x64
       - name: Install dependencies
         run: |
@@ -162,18 +165,20 @@ jobs:
         run: |
           # PEP 517 package builder from pypa
           python -m build --sdist
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
+          name: dist-sdist
           path: dist
 
   publish_on_pypi:
     name: Publish
     needs: [linux, windows, macos, sdist]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
-          name: artifact
+          pattern: dist-*
+          merge-multiple: true
           path: dist
       - name: Publish on TestPyPI
         if: github.ref == 'refs/heads/main'