PEER-242: Update action script

Signed-off-by: SeeuSim <[email protected]>

Author: SeeuSim

.github/workflows/build-deploy-docker.yaml

@@ -210,7 +210,10 @@ jobs:
         if: ${{ contains(github.ref, 'main') && github.event.pull_request.title != 'Feedback' }}
         id: detect-gke
         run: |-
-          is_up="$(gcloud container clusters list | grep cs3219-g16)"
+          clusters="$(gcloud container clusters list)"
+          echo "Clusters:\n $clusters"
+          is_up="$(echo $clusters | grep cs3219-g16)"
+          echo "Is Cluster Up? $is_up"
           if [[ -z "$is_up" ]]; then
             echo "output=false" >> $GITHUB_OUTPUT
           else