Arch Linux

Description:
After updating mariadb to 1.6, akonadi can no longer retrieve emails. The logs show an endless string of errors:

org.kde.pim.akonadiserver: DATABASE ERROR:
org.kde.pim.akonadiserver: Error code: "1292"
org.kde.pim.akonadiserver: DB error: "Incorrect datetime value: '2021-07-08T17:23:13Z' for column `akonadi`.`pimitemtable`.`datetime` at row 1"
org.kde.pim.akonadiserver: Error text: "Incorrect datetime value: '2021-07-08T17:23:13Z' for column `akonadi`.`pimitemtable`.`datetime` at row 1 QMYSQL: No es posible ejecutar la consulta"
org.kde.pim.akonadiserver: Values: QMap((":0", QVariant(int, 0))(":1", QVariant(QString, "moonphase+1578026700000"))(":2", QVariant(QString, "\"2453932800000000\""))(":3", QVariant(QString, ""))(":4", QVariant(qlonglong, 35))(":5", QVariant(qlonglong, 2))(":6", QVariant(QDateTime, QDateTime(2021-07-08 17:23:13.906 UTC Qt::UTC)))(":7", QVariant(QDateTime, QDateTime(2021-07-08 17:23:13.906 UTC Qt::UTC)))(":8", QVariant(bool, false))(":9", QVariant(qlonglong, 0)))
org.kde.pim.akonadiserver: Query: "INSERT INTO PimItemTable (rev, remoteId, remoteRevision, gid, collectionId, mimeTypeId, datetime, atime, dirty, size) VALUES (:0, :1, :2, :3, :4, :5, :6, :7, :8, :9)"
org.kde.pim.akonadiserver: Error during insertion into table "PimItemTable" "Incorrect datetime value: '2021-07-08T17:23:13Z' for column `akonadi`.`pimitemtable`.`datetime` at row 1 QMYSQL: No es posible ejecutar la consulta"
org.kde.pim.akonadiserver: Error while handling command CreateItem on connection akonadi_google_resource_1 (0x55a078c78440)
org.kde.pim.akonadicore: Creating/updating items from the akonadi database failed: "Failed to append item"
org.kde.pim.akonadicore: Error during ItemSync: "Failed to append item"

Wiping the database doesn't help, so it's not an upgrade issue.