chore(deps): update actions/download-artifact action to v7 (#1236)

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

Author: renovate[bot]

.github/workflows/multi-runner-build.yml

@@ -117,7 +117,7 @@ jobs:
         uses: astral-sh/setup-uv@681c641aba71e4a1c380be3ab5e12ad51f415867 # v7.1.6
 
       - name: Download digests
-        uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
+        uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
         with:
           path: ${{ runner.temp }}/digests
           pattern: ${{ needs.matrix.outputs.key }}-*