Added missing Danish translation for general_change

[abjerner]

Prerequisites

• I have added steps to test this contribution in the description below

Description

Umbraco's umbNodePreview directive supports a change action, but the label doesn't have a Danish translation, so it falls back to the English Change, which can seem a bit odd to the user as the other labels related to umbNodePreview are translated.

This PR therefore adds a the general_change key the Danish language file (da.xml) with the value Skift.

The key is actually also missing in the English language file (en_us.xml), but the English label is still showed correctly as a fallback label is specified in the Angular view. So this PR also adds the general_change key to en_us.xml with the value Change. This way, it should hopefully be easier to see that the translation is missing in other languages.

[github-actions]

Hi there @abjerner, thank you for this contribution! 👍

While we wait for one of the Core Collaborators team to have a look at your work, we wanted to let you know about that we have a checklist for some of the things we will consider during review:

• It's clear what problem this is solving, there's a connected issue or a description of what the changes do and how to test them
• The automated tests all pass (see "Checks" tab on this PR)
• The level of security for this contribution is the same or improved
• The level of performance for this contribution is the same or improved
• Avoids creating breaking changes; note that behavioral changes might also be perceived as breaking
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[georgebid]

Thanks for the PR @abjerner! Someone on the core collaborators team will review this soon 😸

[georgebid]

Hey again! I have tested this and I can now see the translations applying where necessary. Therefore I have merged this one in. Thanks @abjerner 🥳

[nul800sebastiaan]

Cherry picked for v10/11 in 3087fc3