used the image name from earlier jobs

Author: thogue12

.github/workflows/push-docker-image.yml

@@ -7,7 +7,7 @@ on:
 env:
   # Use docker.io for Docker Hub if empty
   REGISTRY: ghcr.io
-  IMAGE_NAME: ${{ github.repository }}
+  IMAGE_NAME: 'awesome-fastapi:${{ github.sha }}'
 
 
 jobs: