[Merge] livecd-rootfs:canary-locale into livecd-rootfs:ubuntu/master

[Łukasz Zemczak]

The build went fine: https://launchpad.net/~ubuntu-cdimage/+livefs/ubuntu/mantic/ubuntu-canary/+build/476964 . Let me merge this.
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https://code.launchpad.net/~ubuntu-core-dev/livecd-rootfs/+git/livecd-rootfs/+merge/447201
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