ci: Fix test values for persistence

Author: jiuuon

helm/polaris/ci/fixtures/persistence.yaml

@@ -25,4 +25,4 @@ type: Opaque
 stringData:
   username: "postgres"
   password: "postgres"
-  jdbc_url: "jdbc:postgresql://postgres:5432/POLARIS"
+  jdbcUrl: "jdbc:postgresql://postgres:5432/POLARIS"

helm/polaris/ci/persistence-values.yaml

@@ -35,5 +35,6 @@ logging:
 persistence:
   type: relational-jdbc
   relationalJdbc:
+    dbKind: postgres
     secret:
       name: polaris-persistence