I went ahead and tried to install on 20.04. Looks like it ran into issues during install. Anything else to do to get this to install on 20.04?

sudo dpkg -i *.deb
Selecting previously unselected package linux-buildinfo-5.13.0-8-generic.
(Reading database ... 183555 files and directories currently installed.)
Preparing to unpack linux-buildinfo-5.13.0-8-generic_5.13.0-8.8_amd64.deb ...
Unpacking linux-buildinfo-5.13.0-8-generic (5.13.0-8.8) ...
Selecting previously unselected package linux-headers-5.13.0-8-generic.
Preparing to unpack linux-headers-5.13.0-8-generic_5.13.0-8.8_amd64.deb ...
Unpacking linux-headers-5.13.0-8-generic (5.13.0-8.8) ...
Selecting previously unselected package linux-image-unsigned-5.13.0-8-generic.
Preparing to unpack linux-image-unsigned-5.13.0-8-generic_5.13.0-8.8_amd64.deb ...
Unpacking linux-image-unsigned-5.13.0-8-generic (5.13.0-8.8) ...
Selecting previously unselected package linux-modules-5.13.0-8-generic.
Preparing to unpack linux-modules-5.13.0-8-generic_5.13.0-8.8_amd64.deb ...
Unpacking linux-modules-5.13.0-8-generic (5.13.0-8.8) ...
Selecting previously unselected package linux-modules-extra-5.13.0-8-generic.
Preparing to unpack linux-modules-extra-5.13.0-8-generic_5.13.0-8.8_amd64.deb ...
Unpacking linux-modules-extra-5.13.0-8-generic (5.13.0-8.8) ...
Selecting previously unselected package linux-unstable-headers-5.13.0-8.
Preparing to unpack linux-unstable-headers-5.13.0-8_5.13.0-8.8_all.deb ...
Unpacking linux-unstable-headers-5.13.0-8 (5.13.0-8.8) ...
Setting up linux-buildinfo-5.13.0-8-generic (5.13.0-8.8) ...
dpkg: dependency problems prevent configuration of linux-headers-5.13.0-8-generic:
 linux-headers-5.13.0-8-generic depends on libc6 (>= 2.33); however:
  Version of libc6:amd64 on system is 2.31-0ubuntu9.2.

dpkg: error processing package linux-headers-5.13.0-8-generic (--install):
 dependency problems - leaving unconfigured
Setting up linux-unstable-headers-5.13.0-8 (5.13.0-8.8) ...
Setting up linux-image-unsigned-5.13.0-8-generic (5.13.0-8.8) ...
I: /boot/vmlinuz.old is now a symlink to vmlinuz-5.8.0-55-generic
I: /boot/initrd.img.old is now a symlink to initrd.img-5.8.0-55-generic
I: /boot/vmlinuz is now a symlink to vmlinuz-5.13.0-8-generic
I: /boot/initrd.img is now a symlink to initrd.img-5.13.0-8-generic
Setting up linux-modules-5.13.0-8-generic (5.13.0-8.8) ...
Setting up linux-modules-extra-5.13.0-8-generic (5.13.0-8.8) ...
Processing triggers for linux-image-unsigned-5.13.0-8-generic (5.13.0-8.8) ...
/etc/kernel/postinst.d/initramfs-tools:
update-initramfs: Generating /boot/initrd.img-5.13.0-8-generic
/etc/kernel/postinst.d/zz-update-grub:
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/grub.d/init-select.cfg'
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-5.13.0-8-generic
Found initrd image: /boot/initrd.img-5.13.0-8-generic
Found linux image: /boot/vmlinuz-5.8.0-55-generic
Found initrd image: /boot/initrd.img-5.8.0-55-generic
Found linux image: /boot/vmlinuz-5.8.0-43-generic
Found initrd image: /boot/initrd.img-5.8.0-43-generic
Found Windows Boot Manager on /dev/nvme0n1p1@/EFI/Microsoft/Boot/bootmgfw.efi
Adding boot menu entry for UEFI Firmware Settings
done
Errors were encountered while processing:
 linux-headers-5.13.0-8-generic