fix: update elasticsearch to 7.13.4

docker-pgsql-es/docker-compose.yml

@@ -4,14 +4,14 @@ services:
     image: "postgres:12.4"
     volumes:
       - database-data:/var/lib/postgresql/data/
-    ports: 
+    ports:
       - "5432:5432"
     environment:
       POSTGRES_PASSWORD: ${DB_PASSWORD}
       POSTGRES_USER: ${DB_USERNAME}
       POSTGRES_DB: ${DB_NAME}
   esearch:
-    image: elasticsearch:7.7.1
+    image: elasticsearch:7.13.4
     container_name: ubahn-data-processor-es_es
     ports:
       - "9200:9200"