chore(deps): update github artifact actions

Author: renovate[bot]

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

@@ -97,7 +97,7 @@ jobs:
           touch "/tmp/digests/${digest#sha256:}"
 
       - name: Upload digest
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         env:
           PLATFORM_PAIR: ${{ env.PLATFORM_PAIR }}
         with:
@@ -112,7 +112,7 @@ jobs:
       - build
     steps:
       - name: Download digests
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           path: /tmp/digests