fix: timeout seconds and format

cloudbuild-endpoint.yaml

@@ -2,24 +2,33 @@ steps:
   - name: "gcr.io/google.com/cloudsdktool/cloud-sdk"
     entrypoint: "bash"
     id: upload-model
-    timeout: 600
+    timeout: 600s
     args:
       - "-c"
       - |
-        MODEL_ID=$(gcloud ai models upload \
+        gcloud ai models upload \
           --region="us-central1" \
           --container-ports=8080 \
           --container-image-uri="us-central1-docker.pkg.dev/${PROJECT_ID}/interview-ai-detector/model-prediction:latest" \
           --container-predict-route="/predict" \
           --container-health-route="/health" \
-          --display-name="interview-ai-detector-model" \
-          --format="value(model)")
+          --display-name="interview-ai-detector-model"
+
+  - name: "gcr.io/google.com/cloudsdktool/cloud-sdk"
+    entrypoint: "bash"
+    id: fetch-model
+    waitFor: upload-model
+    timeout: 600s
+    args:
+      - "-c"
+      - |
+        MODEL_ID=$(gcloud ai models list --region=us-central1 --format="value(name)" | head -n 1)
         echo MODEL_ID > /workspace/model_id.txt
 
   - name: "gcr.io/google.com/cloudsdktool/cloud-sdk"
     entrypoint: "bash"
     id: create-endpoint
-    waitFor: upload-model
+    waitFor: fetch-model
     args:
       - "-c"
       - |