Update postgres.tmpl (Melkeydev#115)

Added PGX as Postgres Driver since PG is unmaintained

cmd/template/dbdriver/files/service/postgres.tmpl

@@ -8,7 +8,7 @@ import (
 	"os"
 	"time"
 
-	_ "github.com/lib/pq"
+	_ "github.com/jackc/pgx/v5/stdlib"
 	_ "github.com/joho/godotenv/autoload"
 )
 
@@ -30,7 +30,7 @@ var (
 
 func New() Service {
 	connStr := fmt.Sprintf("postgres:https://%s:%s@%s:%s/%s?sslmode=disable", username, password, host, port, database)
-	db, err := sql.Open("postgres", connStr)
+	db, err := sql.Open("pgx", connStr)
 	if err != nil {
 		log.Fatal(err)
 	}
@@ -50,4 +50,4 @@ func (s *service) Health() map[string]string {
 	return map[string]string{
 		"message": "It's healthy",
 	}
-}
+}