(captive portal vouchers) missing busyTimeout (crashreport, PHP Warning: ...

(captive portal vouchers) missing busyTimeout (crashreport, PHP Warning:  SQLite3Stmt::execute(): Unable to execute statement: database is locked in /usr/local/opnsense/mvc/app/library/OPNsense/Auth/Voucher.php on line 120)

(cherry picked from commit 24ce2546)

src/opnsense/mvc/app/library/OPNsense/Auth/Voucher.php

@@ -70,6 +70,7 @@ class Voucher implements IAuthConnector
     {
         $db_path = '/conf/vouchers_' . $this->refid . '.db';
         $this->dbHandle = new \SQLite3($db_path);
+        $this->dbHandle->busyTimeout(2000);
         $results = $this->dbHandle->query('select count(*) cnt from sqlite_master');
         $row = $results->fetchArray();
         if ($row['cnt'] == 0) {