[github/workflows] - refactor: unify Cloud Build scripts for front-ed…

…ge deployment (#9239)

- Remove temporary deploy-front-edge-tmp workflow and related scripts
 - Update main deploy-front-edge workflow to use the temporary Cloud Build script, signifying a merge of changes

.github/workflows/deploy-front-edge.yml

@@ -58,8 +58,12 @@ jobs:
 
       - name: Build the image on Cloud Build
         run: |
-          chmod +x ./k8s/cloud-build.sh
-          ./k8s/cloud-build.sh --image-name=$IMAGE_NAME --dockerfile-path=./front/Dockerfile --working-dir=./ --dust-client-facing-url=https://front-edge.dust.tt
+          chmod +x ./k8s/cloud-build_tmp.sh
+          ./k8s/cloud-build_tmp.sh \
+            --image-name=$IMAGE_NAME \
+            --dockerfile-path=./front/Dockerfile \
+            --working-dir=./ \
+            --dust-client-facing-url=https://front-edge.dust.tt
 
       - name: Generate a token
         id: generate-token