[Merge] lp:~marcustomlinson/update-manager/update-manager into lp:update-manager

[Marcus Tomlinson]

The proposal to merge lp:~marcustomlinson/update-manager/update-manager into lp:update-manager has been updated.

Commit message changed to:

UpdateManager/backend/__init__.py: once apt upgrade completes, use the deb2snap.json file from ubuntu-release-upgrader to perform snap updates.

For more details, see:
https://code.launchpad.net/~marcustomlinson/update-manager/update-manager/+merge/380060
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Your team Ubuntu Core Development Team is requested to review the proposed merge of lp:~marcustomlinson/update-manager/update-manager into lp:update-manager.