Matomo 4.0.4 - problem with converting tables to utf8mb4

Hello

We have updated our matomo 3.x installation to new version 4.0.4 - looks like it’s all going well, but update tables to use utf8mb4 have problems.

this is looks like this

Starting the database upgrade process now. This may take a while, so please be patient.

Executing ALTER TABLE `matomo_user` CONVERT TO CHARACTER SET utf8mb4;... ERROR [2020-12-09 08:58:12] 1099  Uncaught exception: /var/www/matomo/libs/Zend/Db/Adapter/Pdo/Abstract.php(280): SQLSTATE[HY000]: General error: 1833 Cannot change column 'login': used in a foreign key constraint 'matomo_loginoidc_provider_ibfk_1' of table 'matomo-db.matomo_loginoidc_provider'
SQLSTATE[HY000]: General error: 1833 Cannot change column 'login': used in a foreign key constraint 'matomo_loginoidc_provider_ibfk_1' of table 'matomo-db.matomo_loginoidc_provider'

 [Zend_Db_Adapter_Exception]
  SQLSTATE[HY000]: General error: 1833 Cannot change column 'login': used in a foreign key constraint 'matomo_loginoidc_provider_ibfk_1' of table 'matomo-db.matomo_loginoidc_provider'

 [PDOException]
  SQLSTATE[HY000]: General error: 1833 Cannot change column 'login': used in a foreign key constraint 'matomo_loginoidc_provider_ibfk_1' of table 'matomo-db.matomo_loginoidc_provider'

Can someone help me ?

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