Builds failing with grub packaging error

[cassidyjames]

https://github.com/elementary/os/runs/3226938334#step:4:14674

The following packages will be REMOVED:
  grub-efi-amd64-bin* grub-efi-amd64-signed* grub-efi-ia32-bin* mtools*
  shim-signed*
WARNING: The following essential packages will be removed.
This should NOT be done unless you know exactly what you are doing!
  shim-signed grub-efi-amd64-signed (due to shim-signed)
E: Essential packages were removed and -y was used without --allow-remove-essential.
0 upgraded, 0 newly installed, 5 to remove and 0 not upgraded.
P: Begin unmounting filesystems...
P: Saving caches...
Error: Process completed with exit code 100.

I can reproduce on a local build machine as well.

[danirabbit]

The more relevant lines are up a little higher, something is trying to install grub-efi-ia32-bin which is the 32bit version and conflicts with the 64bit version.

Setting up shim-signed (1.40.6+15.4-0ubuntu7) ...
14619
P: UEFI Secure Boot support enabled.
14620
Reading package lists...
14621
Building dependency tree...
14622
Reading state information...
14623
grub-efi-amd64-bin is already the newest version (2.04-1ubuntu44.2).
14624
grub-efi-amd64-bin set to manually installed.
14625
Suggested packages:
14626
  floppyd
14627
Recommended packages:
14628
  grub-efi-ia32-signed efibootmgr
14629
The following NEW packages will be installed:
14630
  grub-efi-ia32-bin mtools

[danirabbit]

Okay wait nevermind, it doesn't conflict. I have no idea why this is happening