chore(deps): update localstack/localstack docker tag to v4

Author: renovate[bot]

.github/workflows/test-positive.yml

@@ -28,7 +28,7 @@ jobs:
     needs: [setup]
     services:
       localstack:
-        image: localstack/localstack:1.4.0
+        image: localstack/localstack:4.8.1
         credentials:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_PASSWORD }}