Fix public ECR slug and add cache to regitry

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

.github/workflows/e2e.yml

@@ -39,7 +39,7 @@ jobs:
             password_secret: AWS_SECRET_ACCESS_KEY
           -
             registry: public.ecr.aws
-            slug: public.ecr.aws/q3b5f1u4/sandbox/test-docker-action
+            slug: public.ecr.aws/q3b5f1u4/test-docker-action
             username_secret: AWS_ACCESS_KEY_ID
             password_secret: AWS_SECRET_ACCESS_KEY
     steps:
@@ -76,6 +76,8 @@ jobs:
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.docker_meta.outputs.tags }}
           labels: ${{ steps.docker_meta.outputs.labels }}
+          cache-from: type=registry,ref=${{ matrix.slug }}:master
+          cache-to: type=inline
       -
         name: Inspect image
         if: github.event_name != 'pull_request'