[Merge] lp:~codyshepherd/livecd-rootfs/bionic-proposed-snaps-manifest into lp:~ubuntu-core-dev/livecd-rootfs/bionic-proposed

[Robert C Jennings]

Review: Approve

Nice clean backport, looking forward to having this for the build system
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https://code.launchpad.net/~codyshepherd/livecd-rootfs/bionic-proposed-snaps-manifest/+merge/359645
Your team Ubuntu Core Development Team is requested to review the proposed merge of lp:~codyshepherd/livecd-rootfs/bionic-proposed-snaps-manifest into lp:~ubuntu-core-dev/livecd-rootfs/bionic-proposed.