chore(deps): Update localstack/localstack Docker tag to v4

Author: renovate[bot]

tools/docker-compose/docker-compose-databases.yml

@@ -42,7 +42,7 @@ services:
     depends_on:
       - mysql
   localstack:
-    image: localstack/localstack:2.3.2
+    image: localstack/localstack:4.0.3
     hostname: localstack-local
     ports:
       - "34566:4566"