fix: Correct image output reference in deployment workflow

Author: HimanM

.github/workflows/deploy.yml

@@ -18,7 +18,7 @@ jobs:
     name: Build and Push
     runs-on: ubuntu-latest
     outputs:
-      image: ${{ steps.build-image.outputs.image }}
+      image-tag: ${{ github.sha }}
 
     steps:
       - name: Checkout
@@ -77,7 +77,7 @@ jobs:
         with:
           task-definition: task-definition.json
           container-name: ${{ env.CONTAINER_NAME }}
-          image: ${{ steps.login-ecr.outputs.registry }}/${{ env.ECR_REPOSITORY }}:${{ github.sha }}
+          image: ${{ steps.login-ecr.outputs.registry }}/${{ env.ECR_REPOSITORY }}:${{ needs.build.outputs.image-tag }}
 
       - name: Deploy Amazon ECS task definition
         uses: aws-actions/amazon-ecs-deploy-task-definition@v2