Replace mysql_stmt_bind_param() with mysql_stmt_bind_named_param()

[dveeden]

Closes #375

• Deprecated: https://dev.mysql.com/doc/c-api/8.3/en/mysql-stmt-bind-param.html
• Replacement: https://dev.mysql.com/doc/c-api/8.3/en/mysql-stmt-bind-named-param.html
• https://dev.mysql.com/doc/relnotes/mysql/8.2/en/news-8-2-0.html#mysqld-8-2-0-capi
• https://dev.mysql.com/doc/relnotes/mysql/8.3/en/news-8-3-0.html#mysqld-8-3-0-deprecation-removal
• https://bugs.mysql.com/bug.php?id=112893

Unfortunately the new mysql_stmt_bind_named_param() only really works in 8.3.0 so we need an ifdef to allow this to be build against earlier versions.