Bump actions/upload-artifact action to v7 (#215)

| datasource  | package                 | from   | to     |
| ----------- | ----------------------- | ------ | ------ |
| github-tags | actions/upload-artifact | v6.0.0 | v7.0.0 |

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/benchmark.yml

@@ -44,7 +44,7 @@ jobs:
       run: ./benchmark.ps1
 
     - name: Publish BenchmarkDotNet artifacts
-      uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+      uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7.0.0
       if: ${{ !cancelled() }}
       with:
         name: artifacts