Bump actions/upload-artifact from 6 to 7

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 6 to 7.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v6...v7)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/benchmark.yml

@@ -147,7 +147,7 @@ jobs:
             run: echo "reports_base_dir=${{matrix.system_config.reports_base_dir}}" | sed "s|\$PWD|${{ github.workspace }}|g" >> $GITHUB_OUTPUT
 
         -   name: Upload reframe report
-            uses: actions/upload-artifact@v6
+            uses: actions/upload-artifact@v7
             with:
                 name: benchmark-results-${{matrix.machine}}
                 path: ${{steps.parse_reports_path.outputs.reports_base_dir}}

.github/workflows/ci.yml

@@ -30,7 +30,7 @@ jobs:
       run: uv build
 
     - name: Upload Wheel
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v7
       with:
         name: wheel-artifacts
         path: dist/*.whl