[Merge] ~hyask/ubuntu-release-upgrader:skia/update_release_announcements into ubuntu-release-upgrader:ubuntu/main

[Nick Rosbrook]

Ugh, I did not save my inline comment. I was wondering if #ubuntu-bugs is relevant/active anymore, and therefore whether or not we should include it here.
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https://code.launchpad.net/~hyask/ubuntu-release-upgrader/+git/ubuntu-release-upgrader/+merge/475104
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