There is an updated pull request by oreo639 against master on the void-packages repository

https://github.com/oreo639/void-packages gauthenticator
https://github.com/void-linux/void-packages/pull/42999

gnome-authenticator: update to 4.2.0.
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#### Testing the changes
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A patch file from https://github.com/void-linux/void-packages/pull/42999.patch is attached