ci: use macos-15 runner for docker push [skip ci]

Author: ReaJason

.github/workflows/docker-push.yml

@@ -13,7 +13,7 @@ on:
 jobs:
   docker-push:
     name: Docker Push
-    runs-on: ubuntu-latest
+    runs-on: macos-15
     steps:
       - uses: actions/checkout@v4
       - name: Login to Docker Hub