Fix mysql update 124 data type for resetpass_token

Currently mysql schema update 124 sets resetpass_token type to boolean
instead of VARCHAR(250). This prevents reset password functionality from
working correctly.

schema/versions/mysql/124.sql

@@ -1,6 +1,6 @@
 begin;
 
-alter table ttrss_users add column resetpass_token boolean;
+alter table ttrss_users add column resetpass_token varchar(250);
 alter table ttrss_users alter column resetpass_token set default null;
 
 update ttrss_version set schema_version = 124;