Add Changelog-Link / Button even if no update is available.

[WhiteSockedDancer]

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• I understand

[WhiteSockedDancer]

i just added this here, since discussions are not enabled yet ;-)

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i think its quite nice to also link to the changelog even if an update is not yet available. this would lead to the actual version.

maybe just enable the update-button with other color and symbol but just link to the changelog.