[Merge] ~enr0n/ubuntu-release-upgrader:lp2020406 into ubuntu-release-upgrader:ubuntu/main

[Nick Rosbrook]

Nick Rosbrook has proposed merging ~enr0n/ubuntu-release-upgrader:lp2020406 into ubuntu-release-upgrader:ubuntu/main.

Requested reviews:
  Brian Murray (brian-murray)
Related bugs:
  Bug #2020406 in ubuntu-release-upgrader (Ubuntu): "Release upgrade fails due to unsupported DKMS modules"
  https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/2020406

For more details, see:
https://code.launchpad.net/~enr0n/ubuntu-release-upgrader/+git/ubuntu-release-upgrader/+merge/445212

I have tested this with an upgrade from Kinetic to Lunar after installing evdi-dkms, openvpn-dco-dkms, and rtl8812au-dkms (chosen somewhat arbitrarily). In this test, rtl8812au failed to build[1] (though the error is a bit odd, so if someone could inspect that to make sure it's not a problem with my patch that would be helpful), but the other two succeeded and are installed again at the end of the upgrade. I don't *think* rtl8812au caused problems when I tried an upgrade to Lunar with that module enabled, without my patch.

[1] /var/lib/dkms/rtl8812au/4.3.8.12175.20140902+dfsg/build/make.log:
DKMS make.log for rtl8812au-4.3.8.12175.20140902+dfsg for kernel 6.2.0-23-generic (x86_64)
Thu Jun 22 01:07:29 PM EDT 2023
make ARCH=x86_64 CROSS_COMPILE= -C /lib/modules/5.19.0-45-generic/build M=/var/lib/dkms/rtl8812au/4.3.8.12175.20140902+dfsg/build  modules
make[1]: *** /lib/modules/5.19.0-45-generic/build: No such file or directory.  Stop.
make: *** [Makefile:1457: modules] Error 2

Why is it looking for /lib/modules/5.19.0-45-generic/?
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