fix digest

Signed-off-by: Adrian Cole <[email protected]>

Author: codefromthecrypt

.github/workflows/docker-chatbot-rag-app.yml

@@ -88,7 +88,7 @@ jobs:
           cp env.example .env
           docker compose run --rm -T create-index
         env:
-          IMAGE: ${{ steps.build.outputs.digest }}
+          IMAGE: ${{ needs.build-image.outputs.digest }}
 
   push-manifest:
     runs-on: ubuntu-24.04