Fix tekton/publish sed for combined-based-image digest replacement

It would generate an invalid image reference.

Signed-off-by: Vincent Demeester <[email protected]>

Author: vdemeester

tekton/publish.yaml

@@ -125,7 +125,7 @@ spec:
         ${COMBINED_BASE_IMAGE_BASE}/combined-base-image:latest)
 
       # Replace :latest references with the actual combined base image digest
-      sed -i "s|combined-base-image:latest|${COMBINED_BASE_IMAGE}|g" /workspace/.ko.yaml
+      sed -i "s|ghcr.io/tektoncd/pipeline/github.com/tektoncd/pipeline/combined-base-image:latest|${COMBINED_BASE_IMAGE}|g" /workspace/.ko.yaml
 
       cat /workspace/.ko.yaml
 
@@ -271,4 +271,4 @@ spec:
           # regional copies of the images in the result - see https://github.com/tektoncd/pipeline/issues/4282
           # echo ${REGION}.$IMAGE_WITH_SHA, >> $(results.IMAGES.path)
         done
-      done
+      done