ci: use upload/download-artifact v4

- handle immutable artifacts

Author: fabinsch

.github/workflows/gh-pages.yml

@@ -50,7 +50,7 @@ jobs:
           cmake --build . --config Release --target doc
 
       - name: Archive artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: site
           path: build/doc/doxygen-html
@@ -60,7 +60,7 @@ jobs:
     needs: [build]
     steps:
       - name: Download artifacts
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           name: site
           path: site

.github/workflows/release-linux.yml

@@ -50,9 +50,9 @@ jobs:
           CIBW_REPAIR_WHEEL_COMMAND: ""
           CIBW_ENVIRONMENT: "CMEEL_JOBS=2 CMEEL_RUN_TESTS=OFF CMEEL_CMAKE_ARGS=-DBUILD_WITH_OPENMP_SUPPORT=ON"
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
-          name: dist
+          name: dist-${{ matrix.arch }}-${{ matrix.build | replace("*", "") }}
           path: dist
 
   release:
@@ -65,7 +65,10 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.12"
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
+        with:
+          pattern: dist-*
+          merge-multiple: true
 
       - name: Publish package to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1

.github/workflows/release-osx-win.yml

@@ -80,10 +80,10 @@ jobs:
           mv dist/proxsuite*.whl dist_proxsuite
 
       - name: Archive artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
-          name: dist
-          path: dist_proxsuite
+          name: dist-${{ matrix.os }}-${{ matrix.python-version }}
+          path: dist
 
   release:
     needs: "build-wheel"
@@ -95,7 +95,10 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.12"
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
+        with:
+          pattern: dist-*
+          merge-multiple: true
 
       - name: Publish package to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1