[NFR] Add Phalcon\Db\Dialect\Sqlite::forUpdate

[TimurFlush]

Hello
Add method forUpdate() to dialects please)

P.S Addition to the problem #13529

[niden]

public function forUpdate(string! sqlQuery) -> string
	{
		return sqlQuery . " FOR UPDATE";
	}

Like this?

[TimurFlush]

@niden Judging by the name of the method, the answer is clear.

[niden]

This has been addressed in 4.x