modify datasource.properties postgresql password

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