overwrite db driver for azure

crss-dataflow-app/crss-dataflow-app-azure.yml

@@ -1,6 +1,7 @@
 spring:
   crss-dataflow:
     datasource:
+      driverClassName: org.postgresql.Driver
       jdbcUrl: jdbc:postgresql://10.64.0.4:5432/crss?currentSchema=dataflow
       username: crss_dataflow
       password: crss_dataflow