phased update improvements

Julian Andres Kloderequested to merge
jak/apt:pu/phased-updates-fixes-2022-09-23 into main

edsp: Add Machine-ID to the first stanza, and copy Phased-Update-Percentage to package stanzas.

upgrade: Do not remove packages due to phasing (LP: #1990586)

Edited by Julian Andres Klode

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