Docker yml update

Author: abhinavminhas

QueryDB.Core.Tests/Docker/docker-compose-oracle.yml

@@ -3,7 +3,7 @@ services:
     image: container-registry.oracle.com/database/express:21.3.0-xe
     container_name: oracle-db
     environment:
-      ORACLE_PWD: "Secret123456"
+      ORACLE_PWD: ""
     ports:
       - "1521:1521"
     volumes: