Update secret references for managed users

        - name: DB_VENDOR

          value: "postgres"

        - name: DB_ADDR

          valueFrom: { secretKeyRef: { name: keycloakdb-pguser, key: host } }

          valueFrom: { secretKeyRef: { name: keycloakdb-pguser-keycloakdb, key: host } }

        - name: DB_PORT

          valueFrom: { secretKeyRef: { name: keycloakdb-pguser, key: port } }

          valueFrom: { secretKeyRef: { name: keycloakdb-pguser-keycloakdb, key: port } }

        - name: DB_DATABASE

          valueFrom: { secretKeyRef: { name: keycloakdb-pguser, key: dbname } }

          valueFrom: { secretKeyRef: { name: keycloakdb-pguser-keycloakdb, key: dbname } }

        - name: DB_USER

          valueFrom: { secretKeyRef: { name: keycloakdb-pguser, key: user } }

          valueFrom: { secretKeyRef: { name: keycloakdb-pguser-keycloakdb, key: user } }

        - name: DB_PASSWORD

          valueFrom: { secretKeyRef: { name: keycloakdb-pguser, key: password } }

          valueFrom: { secretKeyRef: { name: keycloakdb-pguser-keycloakdb, key: password } }

        - name: KEYCLOAK_USER

          value: "admin"

        - name: KEYCLOAK_PASSWORD