This bug was fixed in the package grub2-signed - 1.93.5
--------------- grub2-signed (1.93.5) bionic; urgency=medium
* Rebuild against grub2 2.02-2ubuntu8.4 (LP: #1785859)
-- Julian Andres Klode <email address hidden> Thu, 30 Aug 2018 16:22:15 +0200
This bug was fixed in the package grub2-signed - 1.93.5
---------------
grub2-signed (1.93.5) bionic; urgency=medium
* Rebuild against grub2 2.02-2ubuntu8.4 (LP: #1785859)
-- Julian Andres Klode <email address hidden> Thu, 30 Aug 2018 16:22:15 +0200