modify datasource.properties postgresql password

dolphinscheduler-dao/src/main/resources/datasource.properties

@@ -23,7 +23,7 @@
 spring.datasource.driver-class-name=org.postgresql.Driver
 spring.datasource.url=jdbc:postgresql://localhost:5432/dolphinscheduler
 spring.datasource.username=root
-spring.datasource.password=root@123
+spring.datasource.password=root
 
 ## base spring data source configuration todo need to remove
 #spring.datasource.type=com.alibaba.druid.pool.DruidDataSource