HASS OS 6.0 VDI => After Upgrade fails every boot: Failed to start grow file system on /mnt/data

Guy on Github issue posted the fix (reason was corrupted filesystem):

Press <enter> when the system stops during boot
systemctl stop systemd-journald
umount -A /dev/disk/by-label/hassos-data
fsck.ext4 /dev/disk/by-label/hassos-data
Keep pressing <enter> through all the prompts
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