Bump actions/upload-artifact from 5 to 6 (#1612)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 5 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v5...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '6'
  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-cd.yml

@@ -111,7 +111,7 @@ jobs:
         }
         >> "${GITHUB_OUTPUT}"
     - name: Upload built artifacts for testing
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         if-no-files-found: error
         name: ${{ needs.pre-setup.outputs.dists-artifact-name  }}

.github/workflows/reusable-cibuildwheel.yml

@@ -114,7 +114,7 @@ jobs:
           dist/${{ inputs.source-tarball-name }}
 
     - name: Upload built artifacts for testing and publishing
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: ${{ inputs.dists-artifact-name }}-
           ${{ inputs.runner-vm-os }}-