adjust config to changed ocm-provider

https://github.com/nextcloud/documentation/

überall, wo ocm-provider oder etwas wie oc[sm] steht, in ocs ändern.

    # `/updater`, `/ocm-provider`, `/ocs-provider`), and thus
    # `/updater`, `/ocs-provider`), and thus

rewrite ^/(?!index|remote|public|cron|core\/ajax\/update|status|ocs\/v[12]|updater\/.+|oc[ms]-provider\/.+|.+\/richdocumentscode\/proxy) /index.php$request_uri;
        rewrite ^/(?!index|remote|public|cron|core\/ajax\/update|status|ocs\/v[12]|updater\/.+|ocs-provider\/.+|.+\/richdocumentscode\/proxy) /index.php$request_uri;