Update instance data

[jesusbv]

Description

Refresh or update the instance data in the DB, before RMT 2.22 there was no need to do this
as the instance data was fresh from the client, after 2.22 we are using instance data from the DB
and we need to refresh that data

• Related Issue / Ticket / Trello card:

How to test

Run a zypper up on a already registered instance with instance data on the DB and that instance data should get updated on the DB

Change Type

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• Bug Fix (a non-breaking change which fixes an issue)
• New Feature (a non-breaking change which adds new functionality)
• Documentation Update (a change which only updates documentation)

Checklist

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• I have reviewed my own code and believe that it's ready for an external review.
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• I have documented the MANUAL.md file with any changes to the user experience.
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