ci: update workflow-template

Enable kaniko snapshot mode

Use `--snapshot-mode=redo` to ensure kaniko rebuilds the image
every time the workflow runs.

Author: in-jun

chart/templates/app/ci/workflow-template.yaml

@@ -102,7 +102,7 @@ spec:
           - "--dockerfile=/workspace/source/Dockerfile"
           - "--cache=true"
           - "--cache-dir=/workspace/cache"
-          # - "--snapshot-mode=redo"
+          - "--snapshot-mode=redo"
           - "--cleanup"
           - "--destination=harbor.injunweb.com/injunweb/{{ $.Values.project }}-{{ $app.name }}:{{`{{inputs.parameters.sha}}`}}"
           - "--destination=harbor.injunweb.com/injunweb/{{ $.Values.project }}-{{ $app.name }}:latest"