build(deps): bump actions/upload-artifact from 4.6.0 to 4.6.1

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4.6.0 to 4.6.1.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@65c4c4a...4cec3d8)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/buildx.yml

@@ -79,7 +79,7 @@ jobs:
           touch "/tmp/digests/${digest#sha256:}"
       -
         name: Upload digest
-        uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 #v4.6.0
+        uses: actions/upload-artifact@4cec3d8aa04e39d1a68397de0c4cd6fb9dce8ec1 #v4.6.1
         with:
           name: digests-${{ env.PLATFORM_PAIR }}
           path: /tmp/digests/*