add prepared_statements support for tarns pooler

Author: tobias-pfaffelmoser-aa

helm/qs-postgresql-cluster/values.yaml

@@ -371,9 +371,9 @@ clusterTemporal:
       parameters:
         max_client_conn: "600"
         default_pool_size: "80"
-        reserve_pool_size: 10
-        server_lifetime: 3600
-        server_idle_timeout: 600
+        reserve_pool_size: "10"
+        server_lifetime: "3600"
+        server_idle_timeout: "600"
         server_tls_sslmode: require
         ignore_startup_parameters: extra_float_digits
         auth_type: scram-sha-256