Set pg_restore path according to postgresql version

PROD-34409

Change-Id: I2e28d63dfe7307ef6f06182b188710ea6d4f6e40
diff --git a/backupninja/client/single.yml b/backupninja/client/single.yml
index 62279fe..5315562 100644
--- a/backupninja/client/single.yml
+++ b/backupninja/client/single.yml
@@ -5,6 +5,7 @@
     client:
       extra_params:
         PGSQLDUMP: /usr/lib/postgresql/${_param:postgresql_major_version}/bin/pg_dump
+        PGSQLRESTORE: /usr/lib/postgresql/${_param:postgresql_major_version}/bin/pg_restore
       scheduling:
         when:
           - manual