Update image tags for backend and frontend containers

Author: Harmanpreet-Microsoft

.github/workflows/deploy.yml

@@ -134,7 +134,8 @@ jobs:
               gptModelDeploymentType="GlobalStandard" \
               gptModelName="gpt-4o" \
               gptModelVersion="2024-08-06" \
-              imageTag="${IMAGE_TAG}" \
+              backendContainerImageTag="${IMAGE_TAG}" \
+              frontendContainerImageTag="${IMAGE_TAG}" \
               azureAiServiceLocation='${{ env.AZURE_LOCATION }}' \
               gptModelCapacity=150 \
             --output json