bugfix(actions): update plugin.cfg edit to match what is mentioned in coredns docs

Signed-off-by: Casale, Robert <[email protected]>

Author: Gearheads

.github/workflows/upload_image.yaml

@@ -31,8 +31,7 @@ jobs:
 
       - name: Build Chaos CoreDNS
         run: |
-          sed -i '/kubernetes/a\k8s_dns_chaos\:k8s_dns_chaos' plugin.cfg
-          go mod edit -require github.com/chaos-mesh/k8s_dns_chaos@649fd5298a454eb59b6080fd670e7f7ea1f5b1b4
+          echo "k8s_dns_chaos:github.com/chaos-mesh/k8s_dns_chaos" >> plugin.cfg
           SWAGGER=1 UI=1 make coredns
 
       - name: upload coredns binary