chore(deps): bump actions/upload-artifact from 4 to 5 (#11805)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Graham Neubig <neubig@gmail.com>

.github/workflows/ghcr-build.yml

@@ -161,7 +161,7 @@ jobs:
           context: containers/runtime
       - name: Upload runtime source for fork
         if: github.event.pull_request.head.repo.fork
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: runtime-src-${{ matrix.base_image.tag }}
           path: containers/runtime