chore(deps): bump actions/upload-artifact from 6 to 7 (#42)

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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -76,7 +76,7 @@ jobs:
       - name: Create artifacts directory
         run: New-Item -ItemType Directory -Force -Path artifacts
       - run: ./build.ps1 -Version ${{ needs.compute_version.outputs.package_version }}
-      - uses: actions/upload-artifact@v6
+      - uses: actions/upload-artifact@v7
         with:
           name: nuget
           if-no-files-found: error
@@ -111,7 +111,7 @@ jobs:
             CI: true
             NUGET_DIRECTORY: ${{ env.NUGET_DIRECTORY }}
             PACKAGE_VERSION: ${{ needs.compute_version.outputs.package_version }}
-      - uses: actions/upload-artifact@v6
+      - uses: actions/upload-artifact@v7
         if: always()
         with:
           name: test_results_${{ matrix.runs-on }}