chore(deps): update github artifact actions

Author: renovate[bot]

.github/workflows/reusable-publish-image.yml

@@ -96,7 +96,7 @@ jobs:
           touch "/tmp/digests/${digest#sha256:}"
 
       - name: Upload digest
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v7
         with:
           name: digests-${{ strategy.job-index }}
           path: /tmp/digests/*
@@ -109,7 +109,7 @@ jobs:
     needs: build
     steps:
       - name: Download digests
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v8
         with:
           path: /tmp/digests
           pattern: digests-*