Upgrade download-artifact action to v4

Author: mcmpp

.github/workflows/docker-publish.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Download build artifact
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: client-admin-dist
         path: client-admin-dist/