Update docker-image.yml

Author: WaveringAna

.github/workflows/docker-image.yml

@@ -22,16 +22,13 @@ jobs:
       contents: read
       packages: write
       id-token: write
-
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
 
-      - name: Install cosign
-        if: github.event_name != 'pull_request'
-        uses: sigstore/[email protected]
-        with:
-          cosign-release: "v2.4.3"
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
 
       - name: Setup Docker buildx
         uses: docker/setup-buildx-action@v3