Fix violations of G-2135

Author: PhilippSalvisberg

docs/4-language-usage/7-stored-objects/8-sequences/g-7810.md

@@ -16,6 +16,7 @@ begin
    select employees_seq.nextval
      into l_sequence_number
      from dual;
+   my_package.do_something(l_sequence_number);
 end;
 /
 ```
@@ -27,6 +28,7 @@ declare
    l_sequence_number employees.employee_id%type;
 begin
    l_sequence_number := employees_seq.nextval;
+   my_package.do_something(l_sequence_number);
 end;
 /
 ```