Merge pull request #1024 from darshan-hpc/snyder/build-wheels-update-2025

CI: update upload-artifact version in build-wheels workflow

Author: shanedsnyder

.github/workflows/build_wheels.yml

@@ -57,6 +57,17 @@ jobs:
         with:
           package-dir: ./darshan-util/pydarshan
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
+          name: pydarshan-wheels-${{ matrix.os }}
           path: ./wheelhouse/*.whl
+          retention-days: 0
+
+  merge_artifacts:
+    name: Merge built wheel artifacts
+    needs: build_wheels
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/upload-artifact/merge@v4
+        with:
+          name: pydarshan-wheels-all