Update the ko to v0.18.0 with go1.24.5

Author: khrm

tekton/publish.yaml

@@ -93,7 +93,7 @@ spec:
       cp ${DOCKER_CONFIG} /workspace/docker-config.json
 
   - name: run-ko
-    image: ghcr.io/tektoncd/plumbing/ko@sha256:8c4dbc57bcfd4c0a68f62c42da3f22932b0f3f54d4724c65841ad78406bc09ad
+    image: ghcr.io/tektoncd/plumbing/ko@sha256:d21b05e426096c01ea026678a94d019f860e5ba04929b5fd2dd8bb0aaccf31d2
     env:
     - name: KO_DOCKER_REPO
       value: $(params.imageRegistry)/$(params.imageRegistryPath)