Update facade docblocks

Author: taylorotwell

src/Illuminate/Support/Facades/DB.php

@@ -40,9 +40,9 @@
  * @method static mixed selectOne(string $query, array $bindings = [], bool $useReadPdo = true)
  * @method static mixed scalar(string $query, array $bindings = [], bool $useReadPdo = true)
  * @method static array selectFromWriteConnection(string $query, array $bindings = [])
- * @method static array select(string $query, array $bindings = [], bool $useReadPdo = true)
- * @method static array selectResultSets(string $query, array $bindings = [], bool $useReadPdo = true)
- * @method static \Generator cursor(string $query, array $bindings = [], bool $useReadPdo = true)
+ * @method static array select(string $query, array $bindings = [], bool $useReadPdo = true, array $fetchUsing = [])
+ * @method static array selectResultSets(string $query, array $bindings = [], bool $useReadPdo = true, array $fetchUsing = [])
+ * @method static \Generator cursor(string $query, array $bindings = [], bool $useReadPdo = true, array $fetchUsing = [])
  * @method static bool insert(string $query, array $bindings = [])
  * @method static int update(string $query, array $bindings = [])
  * @method static int delete(string $query, array $bindings = [])